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Hoang TA, Gracia G, Cao E, Nicolazzo JA, Trevaskis NL. Quantifying the Lymphatic Transport of Model Therapeutics from the Brain in Rats. Mol Pharm 2024; 21:2473-2483. [PMID: 38579335 DOI: 10.1021/acs.molpharmaceut.4c00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
In recent years, the drainage of fluids, immune cells, antigens, fluorescent tracers, and other solutes from the brain has been demonstrated to occur along lymphatic outflow pathways to the deep cervical lymph nodes in the neck. To the best of our knowledge, no studies have evaluated the lymphatic transport of therapeutics from the brain. The objective of this study was to determine the lymphatic transport of model therapeutics of different molecular weights and lipophilicity from the brain using cervical lymph cannulation and ligation models in rats. To do this, anesthetized Sprague-Dawley rats were cannulated at the carotid artery and cannulated, ligated, or left intact at the cervical lymph duct. Rats were administered 14C-ibuprofen (206.29 g/mol, logP 3.84), 3H-halofantrine HCl (536.89 g/mol, logP 8.06), or 3H-albumin (∼65,000 g/mol) via direct injection into the brain striatum at a rate of 0.5 μL/min over 16 min. Plasma or cervical lymph samples were collected for up to 6-8 h following dosing, and brain and lymph nodes were collected at 6 or 8 h. Samples were subsequently analyzed for radioactivity levels via scintillation counting. For 14C-ibuprofen, plasma concentrations over time (plasma AUC0-6h) were >2 fold higher in lymph-ligated rats than in lymph-intact rats, suggesting that ibuprofen is cleared from the brain primarily via nonlymphatic routes (e.g., across the blood-brain barrier) but that this clearance is influenced by changes in lymphatic flow. For 3H-halofantrine, >73% of the dose was retained at the brain dosing site in lymph-intact and lymph-ligated groups, and plasma AUC0-8h values were low in both groups (<0.3% dose.h/mL), consistent with the high retention in the brain. It was therefore not possible to determine whether halofantrine undergoes lymphatic transport from the brain within the duration of the study. For 3H-albumin, plasma AUC0-8h values were not significantly different between lymph-intact, lymph-ligated, and lymph-cannulated rats. However, >4% of the dose was recovered in cervical lymph over 8 h. Lymph/plasma concentration ratios of 3H-albumin were also very high (up to 53:1). Together, these results indicate that 3H-albumin is transported from the brain not only via lymphatic routes but also via the blood. Similar to other tissues, the lymphatics may thus play a significant role in the transport of macromolecules, including therapeutic proteins, from the brain but are unlikely to be a major transport pathway from the brain for small molecule drugs that are not lipophilic. Our rat cervical lymph cannulation model can be used to quantify the lymphatic drainage of different molecules and factors from the brain.
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Affiliation(s)
- Thu A Hoang
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Gracia Gracia
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Enyuan Cao
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Joseph A Nicolazzo
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Natalie L Trevaskis
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Baker Heart and Diabetes Institute, Melbourne, Victoria 3000, Australia
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Creed HA, Kannan S, Tate BL, Godefroy D, Banerjee P, Mitchell BM, Brakenhielm E, Chakraborty S, Rutkowski JM. Single-Cell RNA Sequencing Identifies Response of Renal Lymphatic Endothelial Cells to Acute Kidney Injury. J Am Soc Nephrol 2024; 35:549-565. [PMID: 38506705 PMCID: PMC11149045 DOI: 10.1681/asn.0000000000000325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 01/30/2024] [Indexed: 03/21/2024] Open
Abstract
SIGNIFICANCE STATEMENT The renal lymphatic vasculature and the lymphatic endothelial cells that make up this network play important immunomodulatory roles during inflammation. How lymphatics respond to AKI may affect AKI outcomes. The authors used single-cell RNA sequencing to characterize mouse renal lymphatic endothelial cells in quiescent and cisplatin-injured kidneys. Lymphatic endothelial cell gene expression changes were confirmed in ischemia-reperfusion injury and in cultured lymphatic endothelial cells, validating renal lymphatic endothelial cells single-cell RNA sequencing data. This study is the first to describe renal lymphatic endothelial cell heterogeneity and uncovers molecular pathways demonstrating lymphatic endothelial cells regulate the local immune response to AKI. These findings provide insights into previously unidentified molecular pathways for lymphatic endothelial cells and roles that may serve as potential therapeutic targets in limiting the progression of AKI. BACKGROUND The inflammatory response to AKI likely dictates future kidney health. Lymphatic vessels are responsible for maintaining tissue homeostasis through transport and immunomodulatory roles. Owing to the relative sparsity of lymphatic endothelial cells in the kidney, past sequencing efforts have not characterized these cells and their response to AKI. METHODS Here, we characterized murine renal lymphatic endothelial cell subpopulations by single-cell RNA sequencing and investigated their changes in cisplatin AKI 72 hours postinjury. Data were processed using the Seurat package. We validated our findings by quantitative PCR in lymphatic endothelial cells isolated from both cisplatin-injured and ischemia-reperfusion injury, by immunofluorescence, and confirmation in in vitro human lymphatic endothelial cells. RESULTS We have identified renal lymphatic endothelial cells and their lymphatic vascular roles that have yet to be characterized in previous studies. We report unique gene changes mapped across control and cisplatin-injured conditions. After AKI, renal lymphatic endothelial cells alter genes involved in endothelial cell apoptosis and vasculogenic processes as well as immunoregulatory signaling and metabolism. Differences between injury models were also identified with renal lymphatic endothelial cells further demonstrating changed gene expression between cisplatin and ischemia-reperfusion injury models, indicating the renal lymphatic endothelial cell response is both specific to where they lie in the lymphatic vasculature and the kidney injury type. CONCLUSIONS In this study, we uncover lymphatic vessel structural features of captured populations and injury-induced genetic changes. We further determine that lymphatic endothelial cell gene expression is altered between injury models. How lymphatic endothelial cells respond to AKI may therefore be key in regulating future kidney disease progression.
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Affiliation(s)
- Heidi A. Creed
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - Saranya Kannan
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - Brittany L. Tate
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - David Godefroy
- Inserm UMR1239 (Nordic Laboratory), UniRouen, Normandy University, Mont Saint Aignan, France
| | - Priyanka Banerjee
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - Brett M. Mitchell
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - Ebba Brakenhielm
- INSERM EnVI, UMR1096, University of Rouen Normandy, Rouen, France
| | - Sanjukta Chakraborty
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
| | - Joseph M. Rutkowski
- Department of Medical Physiology, Texas A&M University School of Medicine, Bryan, Texas
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3
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Choi D, Park E, Choi J, Lu R, Yu JS, Kim C, Zhao L, Yu J, Nakashima B, Lee S, Singhal D, Scallan JP, Zhou B, Koh CJ, Lee E, Hong YK. Piezo1 regulates meningeal lymphatic vessel drainage and alleviates excessive CSF accumulation. Nat Neurosci 2024; 27:913-926. [PMID: 38528202 PMCID: PMC11088999 DOI: 10.1038/s41593-024-01604-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 02/15/2024] [Indexed: 03/27/2024]
Abstract
Piezo1 regulates multiple aspects of the vascular system by converting mechanical signals generated by fluid flow into biological processes. Here, we find that Piezo1 is necessary for the proper development and function of meningeal lymphatic vessels and that activating Piezo1 through transgenic overexpression or treatment with the chemical agonist Yoda1 is sufficient to increase cerebrospinal fluid (CSF) outflow by improving lymphatic absorption and transport. The abnormal accumulation of CSF, which often leads to hydrocephalus and ventriculomegaly, currently lacks effective treatments. We discovered that meningeal lymphatics in mouse models of Down syndrome were incompletely developed and abnormally formed. Selective overexpression of Piezo1 in lymphatics or systemic administration of Yoda1 in mice with hydrocephalus or Down syndrome resulted in a notable decrease in pathological CSF accumulation, ventricular enlargement and other associated disease symptoms. Together, our study highlights the importance of Piezo1-mediated lymphatic mechanotransduction in maintaining brain fluid drainage and identifies Piezo1 as a promising therapeutic target for treating excessive CSF accumulation and ventricular enlargement.
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Affiliation(s)
- Dongwon Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Eunkyung Park
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Joshua Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Renhao Lu
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Jin Suh Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Chiyoon Kim
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Luping Zhao
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - James Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Brandon Nakashima
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Sunju Lee
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Dhruv Singhal
- Division of Plastic and Reconstructive Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Joshua P Scallan
- Department of Molecular Pharmacology and Physiology, University of South Florida, Tampa, FL, USA
| | - Bin Zhou
- New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Chester J Koh
- Division of Pediatric Urology, Texas Children's Hospital, Baylor College of Medicine, Houston, TX, USA
| | - Esak Lee
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Young-Kwon Hong
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
- Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
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Qin D, Zhang Y, Liu F, Xu X, Jiang H, Su Z, Xia L. Spatiotemporal development and the regulatory mechanisms of cardiac resident macrophages: Contribution in cardiac development and steady state. Acta Physiol (Oxf) 2024; 240:e14088. [PMID: 38230805 DOI: 10.1111/apha.14088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/13/2023] [Accepted: 01/01/2024] [Indexed: 01/18/2024]
Abstract
Cardiac resident macrophages (CRMs) are integral components of the heart and play significant roles in cardiac development, steady-state, and injury. Advances in sequencing technology have revealed that CRMs are a highly heterogeneous population, with significant differences in phenotype and function at different developmental stages and locations within the heart. In addition to research focused on diseases, recent years have witnessed a heightened interest in elucidating the involvement of CRMs in heart development and the maintenance of cardiac function. In this review, we primarily concentrated on summarizing the developmental trajectories, both spatial and temporal, of CRMs and their impact on cardiac development and steady-state. Moreover, we discuss the possible factors by which the cardiac microenvironment regulates macrophages from the perspectives of migration, proliferation, and differentiation under physiological conditions. Gaining insight into the spatiotemporal heterogeneity and regulatory mechanisms of CRMs is of paramount importance in comprehending the involvement of macrophages in cardiac development, injury, and repair, and also provides new ideas and therapeutic methods for treating heart diseases.
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Affiliation(s)
- Demeng Qin
- Institute of Hematological Disease, Jiangsu University, Zhenjiang, China
- International Genome Center, Jiangsu University, Zhenjiang, China
| | - Ying Zhang
- Department of Biochemistry and Molecular Biology, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Fang Liu
- International Genome Center, Jiangsu University, Zhenjiang, China
- Institute of Medical Immunology, Jiangsu University, Zhenjiang, China
| | - Xiang Xu
- Department of Business, Yancheng Blood Center, Yancheng, China
| | - Haiqiang Jiang
- Department of Laboratory Medicine, Jiangyin Hospital of Traditional Chinese Medicine, Wuxi, China
| | - Zhaoliang Su
- International Genome Center, Jiangsu University, Zhenjiang, China
- Institute of Medical Immunology, Jiangsu University, Zhenjiang, China
| | - Lin Xia
- Institute of Hematological Disease, Jiangsu University, Zhenjiang, China
- International Genome Center, Jiangsu University, Zhenjiang, China
- Department of Laboratory Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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5
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De Bortoli M, Queisser A, Pham VC, Dompmartin A, Helaers R, Boutry S, Claus C, De Roo AK, Hammer F, Brouillard P, Abdelilah-Seyfried S, Boon LM, Vikkula M. Somatic Loss-of-Function PIK3R1 and Activating Non-hotspot PIK3CA Mutations Associated with Capillary Malformation with Dilated Veins (CMDV). J Invest Dermatol 2024:S0022-202X(24)00164-7. [PMID: 38431221 DOI: 10.1016/j.jid.2024.01.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/25/2024] [Accepted: 01/27/2024] [Indexed: 03/05/2024]
Abstract
Common capillary malformations are red vascular skin lesions, most commonly associated with somatic activating GNAQ or GNA11 mutations. We focused on capillary malformations lacking such a mutation to identify previously unreported genetic causes. We used targeted next-generation sequencing on 82 lesions. Bioinformatic analysis allowed the identification of 9 somatic pathogenic variants in PIK3R1 and PIK3CA, encoding for the regulatory and catalytic subunits of phosphoinositide 3-kinase, respectively. Recharacterization of these lesions unraveled a common phenotype: a pale capillary malformation associated with visible dilated veins. Primary endothelial cells from 2 PIK3R1-mutated lesions were isolated, and PI3k-Akt-mTOR and RAS-RAF-MAPK signaling were assessed by western blot. This unveiled an abnormal increase in Akt phosphorylation, effectively reduced by PI3K pathway inhibitors, such as mTOR, Akt, and PIK3CA inhibitors. The effects of mutant PIK3R1 were further studied using zebrafish embryos. Endothelium-specific expression of PIK3R1 mutants resulted in abnormal development of the posterior capillary-venous plexus. In summary, capillary malformation associated with visible dilated veins emerges as a clinical entity associated with somatic pathogenic variants in PIK3R1 or PIK3CA (nonhotspot). Our findings suggest that the activated Akt signaling can be effectively reversed by PI3K pathway inhibitors. In addition, the proposed zebrafish model holds promise as a valuable tool for future drug screening aimed at developing patient-tailored treatments.
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Affiliation(s)
- Martina De Bortoli
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Angela Queisser
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Van Cuong Pham
- Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Anne Dompmartin
- Department of Dermatology, VASCERN VASCA European Reference Center, Université de Caen Basse Normandie, Caen, France
| | - Raphaël Helaers
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Simon Boutry
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium; Interuniversity Institute of Bioinformatics in Brussels, Université Libre de Bruxelles-Vrije Universiteit Brussel, Brussels, Belgium
| | - Cathy Claus
- Center for Vascular Anomalies, Division of Plastic Surgery, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium
| | - An-Katrien De Roo
- Center for Vascular Anomalies, Division of Plastic Surgery, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium; Service d'anatomopathologie, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium; Institute of Experimental and Clinical Research, UCLouvain, Brussels, Belgium
| | - Frank Hammer
- Department of Medical Imaging, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint-Luc, UCLouvain, Brussels, Belgium
| | - Pascal Brouillard
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium
| | | | - Laurence M Boon
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium; Center for Vascular Anomalies, Division of Plastic Surgery, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium
| | - Miikka Vikkula
- Laboratory of Human Molecular Genetics, de Duve Institute, UCLouvain, Brussels, Belgium; Center for Vascular Anomalies, Division of Plastic Surgery, VASCERN VASCA European Reference Center, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium; WELBIO Department, WEL Research Institute, Wavre, Belgium.
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6
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Ju W, Cai HH, Zheng W, Li DM, Zhang W, Yang XH, Yan ZX. Cross‑talk between lymphangiogenesis and malignant melanoma cells: New opinions on tumour drainage and immunization (Review). Oncol Lett 2024; 27:81. [PMID: 38249813 PMCID: PMC10797314 DOI: 10.3892/ol.2024.14215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024] Open
Abstract
Malignant melanoma (MM) is a highly aggressive tumour that can easily metastasize through the lymphatic system at the early stages. Lymph node (LN) involvement and lymphatic vessel (LV) density (LVD) represent a harbinger of an adverse prognosis, indicating a strong link between the state of the lymphatic system and the advancement of MM. Permeable capillary lymphatic vessels are the optimal conduits for melanoma cell (MMC) invasion, and lymphatic endothelial cells (LECs) can also release a variety of chemokines that actively attract MMCs expressing chemokine ligands through a gradient orientation. Moreover, due to the lower oxidative stress environment in the lymph compared with the blood circulation, MMCs are more likely to survive and colonize. The number of LVs surrounding MM is associated with tumour-infiltrating lymphocytes (TILs), which is crucial for the effectiveness of immunotherapy. On the other hand, MMCs can release various endothelial growth factors such as VEGF-C/D-VEGFR3 to mediate LN education and promote lymphangiogenesis. Tumour-derived extracellular vesicles are also used to promote lymphangiogenesis and create a microenvironment that is more conducive to tumour progression. MM is surrounded by a large number of lymphocytes. However, both LECs and MMCs are highly plastic, playing multiple roles in evading immune surveillance. They achieve this by expressing inhibitory ligands or reducing antigen recognition. In recent years, tertiary lymphoid structures have been shown to be associated with response to anti-immune checkpoint therapy, which is often a positive prognostic feature in MM. The present review discusses the interaction between lymphangiogenesis and MM metastasis, and it was concluded that the relationship between LVD and TILs and patient prognosis is analogous to a dynamically tilted scale.
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Affiliation(s)
- Wei Ju
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Hong-Hua Cai
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Wei Zheng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - De-Ming Li
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
| | - Wei Zhang
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
| | - Xi-Hu Yang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Zhi-Xin Yan
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
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Cowan DB, Wu H, Chen H. Epsin Endocytic Adaptor Proteins in Angiogenic and Lymphangiogenic Signaling. Cold Spring Harb Perspect Med 2024; 14:a041165. [PMID: 37217282 PMCID: PMC10759987 DOI: 10.1101/cshperspect.a041165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Circulating vascular endothelial growth factor (VEGF) ligands and receptors are central regulators of vasculogenesis, angiogenesis, and lymphangiogenesis. In response to VEGF ligand binding, VEGF receptor tyrosine kinases initiate the chain of events that transduce extracellular signals into endothelial cell responses such as survival, proliferation, and migration. These events are controlled by intricate cellular processes that include the regulation of gene expression at multiple levels, interactions of numerous proteins, and intracellular trafficking of receptor-ligand complexes. Endocytic uptake and transport of macromolecular complexes through the endosome-lysosome system helps fine-tune endothelial cell responses to VEGF signals. Clathrin-dependent endocytosis remains the best understood means of macromolecular entry into cells, although the importance of non-clathrin-dependent pathways is increasingly recognized. Many of these endocytic events rely on adaptor proteins that coordinate internalization of activated cell-surface receptors. In the endothelium of both blood and lymphatic vessels, epsins 1 and 2 are functionally redundant adaptors involved in receptor endocytosis and intracellular sorting. These proteins are capable of binding both lipids and proteins and are important for promoting curvature of the plasma membrane as well as binding ubiquitinated cargo. Here, we discuss the role of epsin proteins and other endocytic adaptors in governing VEGF signaling in angiogenesis and lymphangiogenesis and discuss their therapeutic potential as molecular targets.
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Affiliation(s)
- Douglas B Cowan
- Vascular Biology Program, Boston Children's Hospital, and Department of Surgery, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Hao Wu
- Vascular Biology Program, Boston Children's Hospital, and Department of Surgery, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Hong Chen
- Vascular Biology Program, Boston Children's Hospital, and Department of Surgery, Harvard Medical School, Boston, Massachusetts 02115, USA
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8
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Kuonqui K, Campbell AC, Sarker A, Roberts A, Pollack BL, Park HJ, Shin J, Brown S, Mehrara BJ, Kataru RP. Dysregulation of Lymphatic Endothelial VEGFR3 Signaling in Disease. Cells 2023; 13:68. [PMID: 38201272 PMCID: PMC10778007 DOI: 10.3390/cells13010068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
Vascular endothelial growth factor (VEGF) receptor 3 (VEGFR3), a receptor tyrosine kinase encoded by the FLT4 gene, plays a significant role in the morphogenesis and maintenance of lymphatic vessels. Under both normal and pathologic conditions, VEGF-C and VEGF-D bind VEGFR3 on the surface of lymphatic endothelial cells (LECs) and induce lymphatic proliferation, migration, and survival by activating intracellular PI3K-Akt and MAPK-ERK signaling pathways. Impaired lymphatic function and VEGFR3 signaling has been linked with a myriad of commonly encountered clinical conditions. This review provides a brief overview of intracellular VEGFR3 signaling in LECs and explores examples of dysregulated VEGFR3 signaling in various disease states, including (1) lymphedema, (2) tumor growth and metastasis, (3) obesity and metabolic syndrome, (4) organ transplant rejection, and (5) autoimmune disorders. A more complete understanding of the molecular mechanisms underlying the lymphatic pathology of each disease will allow for the development of novel strategies to treat these chronic and often debilitating illnesses.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Babak J. Mehrara
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Raghu P. Kataru
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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Kurup S, Tan C, Kume T. Cardiac and intestinal tissue conduct developmental and reparative processes in response to lymphangiocrine signaling. Front Cell Dev Biol 2023; 11:1329770. [PMID: 38178871 PMCID: PMC10764504 DOI: 10.3389/fcell.2023.1329770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024] Open
Abstract
Lymphatic vessels conduct a diverse range of activities to sustain the integrity of surrounding tissue. Besides facilitating the movement of lymph and its associated factors, lymphatic vessels are capable of producing tissue-specific responses to changes within their microenvironment. Lymphatic endothelial cells (LECs) secrete paracrine signals that bind to neighboring cell-receptors, commencing an intracellular signaling cascade that preludes modifications to the organ tissue's structure and function. While the lymphangiocrine factors and the molecular and cellular mechanisms themselves are specific to the organ tissue, the crosstalk action between LECs and adjacent cells has been highlighted as a commonality in augmenting tissue regeneration within animal models of cardiac and intestinal disease. Lymphangiocrine secretions have been owed for subsequent improvements in organ function by optimizing the clearance of excess tissue fluid and immune cells and stimulating favorable tissue growth, whereas perturbations in lymphatic performance bring about the opposite. Newly published landmark studies have filled gaps in our understanding of cardiac and intestinal maintenance by revealing key players for lymphangiocrine processes. Here, we will expand upon those findings and review the nature of lymphangiocrine factors in the heart and intestine, emphasizing its involvement within an interconnected network that supports daily homeostasis and self-renewal following injury.
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Affiliation(s)
- Shreya Kurup
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Honors College, University of Illinois at Chicago, Chicago, IL, United States
| | - Can Tan
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Tsutomu Kume
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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10
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Montenegro-Navarro N, García-Báez C, García-Caballero M. Molecular and metabolic orchestration of the lymphatic vasculature in physiology and pathology. Nat Commun 2023; 14:8389. [PMID: 38104163 PMCID: PMC10725466 DOI: 10.1038/s41467-023-44133-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 11/28/2023] [Indexed: 12/19/2023] Open
Abstract
Lymphangiogenesis refers to the generation of new lymphatic vessels from pre-existing ones. During development and particular adult states, lymphatic endothelial cells (LEC) undergo reprogramming of their transcriptomic and signaling networks to support the high demands imposed by cell proliferation and migration. Although there has been substantial progress in identifying growth factors and signaling pathways controlling lymphangiogenesis in the last decades, insights into the role of metabolism in lymphatic cell functions are just emerging. Despite numerous similarities between the main metabolic pathways existing in LECs, blood ECs (BEC) and other cell types, accumulating evidence has revealed that LECs acquire a unique metabolic signature during lymphangiogenesis, and their metabolic engine is intertwined with molecular regulatory networks, resulting in a tightly regulated and interconnected process. Considering the implication of lymphatic dysfunction in cancer and lymphedema, alongside other pathologies, recent findings hold promising opportunities to develop novel therapeutic approaches. In this review, we provide an overview of the status of knowledge in the molecular and metabolic network regulating the lymphatic vasculature in health and disease.
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Affiliation(s)
- Nieves Montenegro-Navarro
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
| | - Claudia García-Báez
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
| | - Melissa García-Caballero
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, Málaga, Spain.
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain.
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11
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Zhou WC, Zhang QF, Chen JL, Gan JP, Li YK, Zou J. Angiopoietin4 (ANGPT4) expression and potential mechanisms in carcinogenesis: current achievements and perspectives. Clin Exp Med 2023; 23:4449-4456. [PMID: 37659993 DOI: 10.1007/s10238-023-01178-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 08/21/2023] [Indexed: 09/04/2023]
Abstract
Angiopoietin4(ANGPT4) which plays a significant role in endothelial cell proliferation, survival, angiogenesis and expansion in tumors and other pathological states is a significant regulator of tumor angiogenesis. ANGPT4 expression is enhanced in many cancer cells. For example, the overexpression of ANGPT4 promotes the formation, development and progress of lung adenocarcinoma, glioblastoma and ovarian cancer. Related studies show that ANGPT4 encourages the proliferation, survival and invasion of tumor cells, while promoting the expansion of the tumor vascular system and affecting the tumor immune microenvironment. ANGPT4 can also promote carcinogenesis by affecting the ERK1/2, PI3K/AKT and other signal pathways downstream of tyrosine kinase with immunoglobulin-like and EGF-like domains 2(TIE2) and TIE2. Therefore, ANGPT4 may be a potential and significant biomarker for predicting malignant tumor progression and adverse outcomes. In addition, inhibition of ANGPT4 may be a meaningful cancer treatment. This paper reviews the latest research results of ANGPT4 in preclinical research, and emphasizes its role in carcinogenesis. Additional research on the carcinogenic function of ANGPT4 could provide new insights into cancer biology and novel methods for cancer diagnosis and treatment.
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Affiliation(s)
- Wen-Chao Zhou
- Department of Gynecology, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Hengyang Medical School, Cancer Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Qun-Feng Zhang
- Department of Gynecology, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Hengyang Medical School, Cancer Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Jun-Ling Chen
- Department of Gynecology, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Hengyang Medical School, Cancer Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Jin-Peng Gan
- Department of Gynecology, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Hengyang Medical School, Cancer Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Yu-Kun Li
- Department of Assisted Reproductive Centre, Zhuzhou Central Hospital, Xiangya Hospital Zhuzhou Central South University, Central South University, Zhuzhou, Hunan, China.
| | - Juan Zou
- Department of Gynecology, Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Hengyang Medical School, Cancer Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China.
- Department of Assisted Reproductive Centre, Zhuzhou Central Hospital, Xiangya Hospital Zhuzhou Central South University, Central South University, Zhuzhou, Hunan, China.
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12
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Lei PJ, Ruscic KJ, Roh K, Rajotte JJ, O'Melia MJ, Bouta EM, Marquez M, Pereira ER, Kumar AS, Arroyo-Ataz G, Razavi MS, Zhou H, Menzel L, Kumra H, Duquette M, Huang P, Baish JW, Munn LL, Ubellacker JM, Jones D, Padera TP. Lymphatic muscle cells are unique cells that undergo aging induced changes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.18.567621. [PMID: 38014141 PMCID: PMC10680808 DOI: 10.1101/2023.11.18.567621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Lymphatic muscle cells (LMCs) within the wall of collecting lymphatic vessels exhibit tonic and autonomous phasic contractions, which drive active lymph transport to maintain tissue-fluid homeostasis and support immune surveillance. Damage to LMCs disrupts lymphatic function and is related to various diseases. Despite their importance, knowledge of the transcriptional signatures in LMCs and how they relate to lymphatic function in normal and disease contexts is largely missing. We have generated a comprehensive transcriptional single-cell atlas-including LMCs-of collecting lymphatic vessels in mouse dermis at various ages. We identified genes that distinguish LMCs from other types of muscle cells, characterized the phenotypical and transcriptomic changes in LMCs in aged vessels, and uncovered a pro-inflammatory microenvironment that suppresses the contractile apparatus in advanced-aged LMCs. Our findings provide a valuable resource to accelerate future research for the identification of potential drug targets on LMCs to preserve lymphatic vessel function as well as supporting studies to identify genetic causes of primary lymphedema currently with unknown molecular explanation.
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13
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Margolis EA, Friend NE, Rolle MW, Alsberg E, Putnam AJ. Manufacturing the multiscale vascular hierarchy: progress toward solving the grand challenge of tissue engineering. Trends Biotechnol 2023; 41:1400-1416. [PMID: 37169690 PMCID: PMC10593098 DOI: 10.1016/j.tibtech.2023.04.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/05/2023] [Accepted: 04/14/2023] [Indexed: 05/13/2023]
Abstract
In human vascular anatomy, blood flows from the heart to organs and tissues through a hierarchical vascular tree, comprising large arteries that branch into arterioles and further into capillaries, where gas and nutrient exchange occur. Engineering a complete, integrated vascular hierarchy with vessels large enough to suture, strong enough to withstand hemodynamic forces, and a branching structure to permit immediate perfusion of a fluidic circuit across scales would be transformative for regenerative medicine (RM), enabling the translation of engineered tissues of clinically relevant size, and perhaps whole organs. How close are we to solving this biological plumbing problem? In this review, we highlight advances in engineered vasculature at individual scales and focus on recent strategies to integrate across scales.
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Affiliation(s)
- Emily A Margolis
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, MI, USA
| | - Nicole E Friend
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, MI, USA
| | - Marsha W Rolle
- Worcester Polytechnic Institute, Department of Biomedical Engineering, Worcester, MA, USA
| | - Eben Alsberg
- University of Illinois at Chicago, Department of Biomedical Engineering, Chicago, IL, USA
| | - Andrew J Putnam
- University of Michigan, Department of Biomedical Engineering, Ann Arbor, MI, USA.
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14
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Taheri A, Bremmell KE, Joyce P, Prestidge CA. Battle of the milky way: Lymphatic targeted drug delivery for pathogen eradication. J Control Release 2023; 363:507-524. [PMID: 37797891 DOI: 10.1016/j.jconrel.2023.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/14/2023] [Accepted: 10/01/2023] [Indexed: 10/07/2023]
Abstract
Many viruses, bacteria, and parasites rely on the lymphatic system for survival, replication, and dissemination. While conventional anti-infectives can combat infection-causing agents in the bloodstream, they do not reach the lymphatic system to eradicate the pathogens harboured there. This can result in ineffective drug exposure and reduce treatment effectiveness. By developing effective lymphatic delivery strategies for antiviral, antibacterial, and antiparasitic drugs, their systemic pharmacokinetics may be improved, as would their ability to reach their target pathogens within the lymphatics, thereby improving clinical outcomes in a variety of acute and chronic infections with lymphatic involvement (e.g., acquired immunodeficiency syndrome, tuberculosis, and filariasis). Here, we discuss approaches to targeting anti-infective drugs to the intestinal and dermal lymphatics, aiming to eliminate pathogen reservoirs and interfere with their survival and reproduction inside the lymphatic system. These include optimized lipophilic prodrugs and drug delivery systems that promote lymphatic transport after oral and dermal drug intake. For intestinal lymphatic delivery via the chylomicron pathway, molecules should have logP values >5 and long-chain triglyceride solubilities >50 mg/g, and for dermal lymphatic delivery via interstitial lymphatic drainage, nanoparticle formulations with particle size between 10 and 100 nm are generally preferred. Insight from this review may promote new and improved therapeutic solutions for pathogen eradication and combating infective diseases, as lymphatic system involvement in pathogen dissemination and drug resistance has been neglected compared to other pathways leading to treatment failure.
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Affiliation(s)
- Ali Taheri
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Kristen E Bremmell
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Paul Joyce
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Clive A Prestidge
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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15
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Koltowska K, Jakus Z, Hong YK, Kume T. Editorial: Lymphatic system: organ specific functions in health and disease. Front Cell Dev Biol 2023; 11:1224584. [PMID: 37954211 PMCID: PMC10634949 DOI: 10.3389/fcell.2023.1224584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 10/05/2023] [Indexed: 11/14/2023] Open
Affiliation(s)
- Kaska Koltowska
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
- Beijer Gene and Neuro Laboratory and Science for Life Laboratories, Uppsala University, Uppsala, Sweden
| | - Zoltán Jakus
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Young-Kwon Hong
- Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Tsutomu Kume
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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16
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Wang D, Zhao Y, Zhou Y, Yang S, Xiao X, Feng L. Angiogenesis-An Emerging Role in Organ Fibrosis. Int J Mol Sci 2023; 24:14123. [PMID: 37762426 PMCID: PMC10532049 DOI: 10.3390/ijms241814123] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/02/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
In recent years, the study of lymphangiogenesis and fibrotic diseases has made considerable achievements, and accumulating evidence indicates that lymphangiogenesis plays a key role in the process of fibrosis in various organs. Although the effects of lymphangiogenesis on fibrosis disease have not been conclusively determined due to different disease models and pathological stages of organ fibrosis, its importance in the development of fibrosis is unquestionable. Therefore, we expounded on the characteristics of lymphangiogenesis in fibrotic diseases from the effects of lymphangiogenesis on fibrosis, the source of lymphatic endothelial cells (LECs), the mechanism of fibrosis-related lymphangiogenesis, and the therapeutic effect of intervening lymphangiogenesis on fibrosis. We found that expansion of LECs or lymphatic networks occurs through original endothelial cell budding or macrophage differentiation into LECs, and the vascular endothelial growth factor C (VEGFC)/vascular endothelial growth factor receptor (VEGFR3) pathway is central in fibrosis-related lymphangiogenesis. Lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), as a receptor of LECs, is also involved in the regulation of lymphangiogenesis. Intervention with lymphangiogenesis improves fibrosis to some extent. In the complex organ fibrosis microenvironment, a variety of functional cells, inflammatory factors and chemokines synergistically or antagonistically form the complex network involved in fibrosis-related lymphangiogenesis and regulate the progression of fibrosis disease. Further clarifying the formation of a new fibrosis-related lymphangiogenesis network may potentially provide new strategies for the treatment of fibrosis disease.
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Affiliation(s)
| | | | | | | | | | - Li Feng
- Division of Liver Surgery, Department of General Surgery and Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China; (D.W.); (Y.Z.); (Y.Z.); (S.Y.); (X.X.)
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17
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Wiggins BG, Wang YF, Burke A, Grunberg N, Vlachaki Walker JM, Dore M, Chahrour C, Pennycook BR, Sanchez-Garrido J, Vernia S, Barr AR, Frankel G, Birdsey GM, Randi AM, Schiering C. Endothelial sensing of AHR ligands regulates intestinal homeostasis. Nature 2023; 621:821-829. [PMID: 37586410 PMCID: PMC10533400 DOI: 10.1038/s41586-023-06508-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 08/02/2023] [Indexed: 08/18/2023]
Abstract
Endothelial cells line the blood and lymphatic vasculature, and act as an essential physical barrier, control nutrient transport, facilitate tissue immunosurveillance and coordinate angiogenesis and lymphangiogenesis1,2. In the intestine, dietary and microbial cues are particularly important in the regulation of organ homeostasis. However, whether enteric endothelial cells actively sense and integrate such signals is currently unknown. Here we show that the aryl hydrocarbon receptor (AHR) acts as a critical node for endothelial cell sensing of dietary metabolites in adult mice and human primary endothelial cells. We first established a comprehensive single-cell endothelial atlas of the mouse small intestine, uncovering the cellular complexity and functional heterogeneity of blood and lymphatic endothelial cells. Analyses of AHR-mediated responses at single-cell resolution identified tissue-protective transcriptional signatures and regulatory networks promoting cellular quiescence and vascular normalcy at steady state. Endothelial AHR deficiency in adult mice resulted in dysregulated inflammatory responses and the initiation of proliferative pathways. Furthermore, endothelial sensing of dietary AHR ligands was required for optimal protection against enteric infection. In human endothelial cells, AHR signalling promoted quiescence and restrained activation by inflammatory mediators. Together, our data provide a comprehensive dissection of the effect of environmental sensing across the spectrum of enteric endothelia, demonstrating that endothelial AHR signalling integrates dietary cues to maintain tissue homeostasis by promoting endothelial cell quiescence and vascular normalcy.
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Affiliation(s)
- Benjamin G Wiggins
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK.
- MRC London Institute of Medical Sciences, London, UK.
| | - Yi-Fang Wang
- MRC London Institute of Medical Sciences, London, UK
| | - Alice Burke
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | - Nil Grunberg
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | - Julia M Vlachaki Walker
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | - Marian Dore
- MRC London Institute of Medical Sciences, London, UK
| | | | - Betheney R Pennycook
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | | | - Santiago Vernia
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | - Alexis R Barr
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- MRC London Institute of Medical Sciences, London, UK
| | - Gad Frankel
- Department of Life Sciences, Imperial College London, London, UK
| | - Graeme M Birdsey
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Anna M Randi
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Chris Schiering
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK.
- MRC London Institute of Medical Sciences, London, UK.
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18
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Zarkada G, Chen X, Zhou X, Lange M, Zeng L, Lv W, Zhang X, Li Y, Zhou W, Liu K, Chen D, Ricard N, Liao JK, Kim YB, Benedito R, Claesson-Welsh L, Alitalo K, Simons M, Ju R, Li X, Eichmann A, Zhang F. Chylomicrons Regulate Lacteal Permeability and Intestinal Lipid Absorption. Circ Res 2023; 133:333-349. [PMID: 37462027 PMCID: PMC10530007 DOI: 10.1161/circresaha.123.322607] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/06/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND Lymphatic vessels are responsible for tissue drainage, and their malfunction is associated with chronic diseases. Lymph uptake occurs via specialized open cell-cell junctions between capillary lymphatic endothelial cells (LECs), whereas closed junctions in collecting LECs prevent lymph leakage. LEC junctions are known to dynamically remodel in development and disease, but how lymphatic permeability is regulated remains poorly understood. METHODS We used various genetically engineered mouse models in combination with cellular, biochemical, and molecular biology approaches to elucidate the signaling pathways regulating junction morphology and function in lymphatic capillaries. RESULTS By studying the permeability of intestinal lacteal capillaries to lipoprotein particles known as chylomicrons, we show that ROCK (Rho-associated kinase)-dependent cytoskeletal contractility is a fundamental mechanism of LEC permeability regulation. We show that chylomicron-derived lipids trigger neonatal lacteal junction opening via ROCK-dependent contraction of junction-anchored stress fibers. LEC-specific ROCK deletion abolished junction opening and plasma lipid uptake. Chylomicrons additionally inhibited VEGF (vascular endothelial growth factor)-A signaling. We show that VEGF-A antagonizes LEC junction opening via VEGFR (VEGF receptor) 2 and VEGFR3-dependent PI3K (phosphatidylinositol 3-kinase)/AKT (protein kinase B) activation of the small GTPase RAC1 (Rac family small GTPase 1), thereby restricting RhoA (Ras homolog family member A)/ROCK-mediated cytoskeleton contraction. CONCLUSIONS Our results reveal that antagonistic inputs into ROCK-dependent cytoskeleton contractions regulate the interconversion of lymphatic junctions in the intestine and in other tissues, providing a tunable mechanism to control the lymphatic barrier.
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Affiliation(s)
- Georgia Zarkada
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
| | - Xun Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Xuetong Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Martin Lange
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
| | - Lei Zeng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Wenyu Lv
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Xuan Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Yunhua Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Weibin Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Keli Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Dongying Chen
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
| | - Nicolas Ricard
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
| | - James K. Liao
- University of Arizona, College of Medicine, Banner University Medical Center, Tucson, AZ, 85724, USA
| | - Young-Bum Kim
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid E28029, Spain
| | - Lena Claesson-Welsh
- Uppsala University, Rudbeck, SciLifeLab and Beijer Laboratories, Department of Immunology, Genetics and Pathology, 751 85 Uppsala, Sweden
| | - Kari Alitalo
- Wihuri Research Institute and Translational Cancer Medicine Program, Biomedicum, University of Helsinki, Finland
| | - Michael Simons
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
| | - Rong Ju
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Xuri Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Anne Eichmann
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT 06510-3221, USA
- INSERM U970, Paris Cardiovascular Research Center, 75015 Paris, France
| | - Feng Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
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19
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Zhong J, Shelton EL, Kirabo A, Kon V. Mechanisms of Lymphatic Endothelial Cell Junction Transformations. Circ Res 2023; 133:350-352. [PMID: 37535754 PMCID: PMC10502913 DOI: 10.1161/circresaha.123.323210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Affiliation(s)
- Jianyong Zhong
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Elaine L. Shelton
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Annet Kirabo
- Division of Clinical Pharmacology, Vanderbilt University, Nashville, TN, USA
- Department of Molecular Physiology and Biophysics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Valentina Kon
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
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20
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Pu Z, Shimizu Y, Hayashi T, Che Y, Suzuki J, Tsuzuki K, Narita S, Shibata R, Calvert JW, Murohara T. Cardiac Lymphatic Insufficiency Leads to Diastolic Dysfunction Via Myocardial Morphologic Change. JACC Basic Transl Sci 2023; 8:958-972. [PMID: 37719433 PMCID: PMC10504400 DOI: 10.1016/j.jacbts.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 01/18/2023] [Accepted: 01/18/2023] [Indexed: 09/19/2023]
Abstract
Although cardiac lymphatic vessels have received increasing attention in recent years, there is still a knowledge gap between cardiac lymphatics and heart homeostasis in a normal heart. In the present study, we established a mouse model of cardiac lymphatic insufficiency ablating cardiac lymphatic collector vessels to reveal the crucial role of cardiac lymphatic vessels in maintaining cardiac homeostasis and the impact on cardiac function both in physiological and pathologic settings. Furthermore, therapeutic lymphangiogenesis improved the adverse effect on cardiac morphologic changes and functions. These findings suggest that the cardiac lymphatic system would be a novel therapeutic target for heart disease.
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Affiliation(s)
- Zhongyue Pu
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuuki Shimizu
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takumi Hayashi
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yiyang Che
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Junya Suzuki
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazuhito Tsuzuki
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shingo Narita
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Rei Shibata
- Department of Advanced Cardiovascular Therapeutics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - John W. Calvert
- Carlyle Fraser Heart Center, Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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21
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Creed HA, Kannan S, Tate BL, Banerjee P, Mitchell BM, Chakraborty S, Rutkowski JM. Single-cell RNA sequencing identifies response of renal lymphatic endothelial cells to acute kidney injury. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.09.544380. [PMID: 37333313 PMCID: PMC10274866 DOI: 10.1101/2023.06.09.544380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
The inflammatory response to acute kidney injury (AKI) likely dictates future renal health. Lymphatic vessels are responsible for maintaining tissue homeostasis through transport and immunomodulatory roles. Due to the relative sparsity of lymphatic endothelial cells (LECs) in the kidney, past sequencing efforts have not characterized these cells and their response to AKI. Here we characterized murine renal LEC subpopulations by single-cell RNA sequencing and investigated their changes in cisplatin AKI. We validated our findings by qPCR in LECs isolated from both cisplatin-injured and ischemia reperfusion injury, by immunofluorescence, and confirmation in in vitro human LECs. We have identified renal LECs and their lymphatic vascular roles that have yet to be characterized in previous studies. We report unique gene changes mapped across control and cisplatin injured conditions. Following AKI, renal LECs alter genes involved endothelial cell apoptosis and vasculogenic processes as well as immunoregulatory signaling and metabolism. Differences between injury models are also identified with renal LECs further demonstrating changed gene expression between cisplatin and ischemia reperfusion injury models, indicating the renal LEC response is both specific to where they lie in the lymphatic vasculature and the renal injury type. How LECs respond to AKI may therefore be key in regulating future kidney disease progression.
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22
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Patel LD, Raghavan P, Tang S, Choi S, Harrison DM. Imaging of the meningeal lymphatic network in healthy adults: A 7T MRI study. J Neuroradiol 2023; 50:369-376. [PMID: 36918053 PMCID: PMC10981496 DOI: 10.1016/j.neurad.2023.03.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 03/13/2023]
Abstract
BACKGROUND AND PURPOSE Meningeal lymphatic vessels (MLVs) along the dural venous sinuses are suspected to be important in connecting the glymphatic and peripheral lymphatic system. Understanding the topography of MLVs may clarify the role of the glymphatic system in neurological diseases. The aim of this analysis was to use high resolution pre- and post-contrast FLAIR 7T MRI to identify and characterize the morphology of MLV in a cohort of healthy volunteers. MATERIALS AND METHODS MRI examinations of seventeen healthy volunteers enrolled as controls in a larger 7T MRI study were reviewed. Pre- and post-contrast 3-D FLAIR subtractions and MP2RAGE sequences were spatially normalized and reviewed for signal intensity and enhancement patterns within putative MLVs along pre-determined dural and venous structures. Frequency of occurrence of MLVs at the above-described locations and patterns of their enhancement were analyzed. RESULTS Putative MLVs are commonly located along the superior sagittal sinus (SSS) and cortical veins. A "fixed enhancement" signal pattern was more frequent at these locations (p<.05). The morphology of MLVs along the SSS qualitatively changes in an antero-posterior direction. Lack of signal was more frequent along the straight and transverse sinuses (p<.05). CONCLUSION Putative MLVs in healthy individuals are concentrated along the SSS and cortical veins. FLAIR signal and enhancement characteristics suggest these structures may transport proteinaceous fluid. Pathways connecting MLVs to cervical lymph nodes however remain unclear.
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Affiliation(s)
- Lakir D Patel
- University of Maryland School of Medicine, Department of Diagnostic Radiology and Nuclear Medicine, Baltimore, Maryland, USA.
| | - Prashant Raghavan
- University of Maryland School of Medicine, Department of Diagnostic Radiology and Nuclear Medicine, Baltimore, Maryland, USA.
| | - Shiyu Tang
- University of Maryland School of Medicine, Department of Diagnostic Radiology and Nuclear Medicine, Baltimore, Maryland, USA; University of Maryland School of Medicine, Center for Advanced Imaging Research (CAIR), Baltimore, Maryland, USA.
| | - Seongjin Choi
- University of Maryland School of Medicine, Department of Neurology, Baltimore, Maryland, USA.
| | - Daniel M Harrison
- University of Maryland School of Medicine, Department of Neurology, Baltimore, Maryland, USA; Baltimore VA Medical Center, Baltimore, Maryland, USA.
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23
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Ren Y, Okazaki T, Ngamnsae P, Hashimoto H, Ikeda R, Honkura Y, Suzuki J, Izumi SI. Anatomy and function of the lymphatic vessels in the parietal pleura and their plasticity under inflammation in mice. Microvasc Res 2023; 148:104546. [PMID: 37230165 DOI: 10.1016/j.mvr.2023.104546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 05/27/2023]
Abstract
Inflammatory pleuritis often causes pleural effusions, which are drained through lymphatic vessels (lymphatics) in the parietal pleura. The distribution of button- and zipper-like endothelial junctions can identify the subtypes of lymphatics, the initial, pre-collecting, and collecting lymphatics. Vascular endothelial growth factor receptor (VEGFR)-3 and its ligands VEGF-C/D are crucial lymphangiogenic factors. Currently, in the pleura covering the chest walls, the anatomy of the lymphatics and connecting networks of blood vessels are incompletely understood. Moreover, their pathological and functional plasticity under inflammation and the effects of VEGFR inhibition are unclear. This study aimed to learn the above-unanswered questions and immunostained mouse chest walls as whole-mount specimens. Confocal microscopic images and their 3-dimensional reconstruction analyzed the vasculatures. Repeated intra-pleural cavity lipopolysaccharide challenge induced pleuritis, which was also treated with VEGFR inhibition. Levels of vascular-related factors were evaluated by quantitative real-time polymerase chain reaction. We observed the initial lymphatics in the intercostals, collecting lymphatics under the ribs, and pre-collecting lymphatics connecting both. Arteries branched into capillaries and gathered into veins from the cranial to the caudal side. Lymphatics and blood vessels were in different layers with an adjacent distribution of the lymphatic layer to the pleural cavity. Inflammatory pleuritis elevated expression levels of VEGF-C/D and angiopoietin-2, induced lymphangiogenesis and blood vessel remodeling, and disorganized the lymphatic structures and subtypes. The disorganized lymphatics showed large sheet-like structures with many branches and holes inside. Such lymphatics were abundant in zipper-like endothelial junctions with some button-like junctions. The blood vessels were tortuous and had various diameters and complex networks. Stratified layers of lymphatics and blood vessels were disorganized, with impaired drainage function. VEGFR inhibition partially maintained their structures and drainage function. These findings demonstrate anatomy and pathological changes of the vasculatures in the parietal pleura and their potential as a novel therapeutic target.
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Affiliation(s)
- Yuzhuo Ren
- Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Tatsuma Okazaki
- Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan.
| | - Peerada Ngamnsae
- Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Hikaru Hashimoto
- Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan; Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-0872, Japan
| | - Ryoukichi Ikeda
- Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan; Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-0872, Japan
| | - Yohei Honkura
- Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan; Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-0872, Japan
| | - Jun Suzuki
- Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan; Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-0872, Japan
| | - Shin-Ichi Izumi
- Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Center for Dysphagia of Tohoku University Hospital, Sendai, Miyagi, Japan; Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Biomedical Engineering, Sendai, Miyagi, Japan
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24
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Rütsche D, Nanni M, Rüdisser S, Biedermann T, Zenobi-Wong M. Enzymatically Crosslinked Collagen as a Versatile Matrix for In Vitro and In Vivo Co-Engineering of Blood and Lymphatic Vasculature. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209476. [PMID: 36724374 DOI: 10.1002/adma.202209476] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/30/2022] [Indexed: 06/18/2023]
Abstract
Adequate vascularization is required for the successful translation of many in vitro engineered tissues. This study presents a novel collagen derivative that harbors multiple recognition peptides for orthogonal enzymatic crosslinking based on sortase A (SrtA) and Factor XIII (FXIII). SrtA-mediated crosslinking enables the rapid co-engineering of human blood and lymphatic microcapillaries and mesoscale capillaries in bulk hydrogels. Whereas tuning of gel stiffness determines the extent of neovascularization, the relative number of blood and lymphatic capillaries recapitulates the ratio of blood and lymphatic endothelial cells originally seeded into the hydrogel. Bioengineered capillaries readily form luminal structures and exhibit typical maturation markers both in vitro and in vivo. The secondary crosslinking enzyme Factor XIII is used for in situ tethering of the VEGF mimetic QK peptide to collagen. This approach supports the formation of blood and lymphatic capillaries in the absence of exogenous VEGF. Orthogonal enzymatic crosslinking is further used to bioengineer hydrogels with spatially defined polymer compositions with pro- and anti-angiogenic properties. Finally, macroporous scaffolds based on secondary crosslinking of microgels enable vascularization independent from supporting fibroblasts. Overall, this work demonstrates for the first time the co-engineering of mature micro- and meso-sized blood and lymphatic capillaries using a highly versatile collagen derivative.
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Affiliation(s)
- Dominic Rütsche
- Tissue Engineering + Biofabrication Laboratory, Department of Health Sciences & Technology, ETH Zurich, Otto-Stern-Weg 7, Zurich, 8093, Switzerland
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, Schlieren, 8952, Switzerland
| | - Monica Nanni
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, Schlieren, 8952, Switzerland
- Institute for Mechanical Systems, Department of Mechanical and Process Engineering, ETH Zurich, Leonhardstrasse 21, Zurich, 8092, Switzerland
| | - Simon Rüdisser
- Biomolecular NMR Spectroscopy Platform, Department of Biology, ETH Zurich, Hönggerbergring 64, Zurich, 8093, Switzerland
| | - Thomas Biedermann
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, Schlieren, 8952, Switzerland
| | - Marcy Zenobi-Wong
- Tissue Engineering + Biofabrication Laboratory, Department of Health Sciences & Technology, ETH Zurich, Otto-Stern-Weg 7, Zurich, 8093, Switzerland
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25
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Kraus SE, Lee E. Engineering approaches to investigate the roles of lymphatics vessels in rheumatoid arthritis. Microcirculation 2023; 30:e12769. [PMID: 35611452 PMCID: PMC9684355 DOI: 10.1111/micc.12769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/12/2022] [Accepted: 05/20/2022] [Indexed: 11/30/2022]
Abstract
Rheumatoid arthritis (RA) is one of the most common chronic inflammatory joint disorders. While our understanding of the autoimmune processes that lead to synovial degradation has improved, a majority of patients are still resistant to current treatments and require new therapeutics. An understudied and promising area for therapy involves the roles of lymphatic vessels (LVs) in RA progression, which has been observed to have a significant effect on mediating chronic inflammation. RA disease progression has been shown to correlate with dramatic changes in LV structure and interstitial fluid drainage, manifesting in the retention of distinct immune cell phenotypes within the synovium. Advances in dynamic imaging technologies have demonstrated that LVs in RA undergo an initial expansion phase of increased LVs and abnormal contractions followed by a collapsed phase of reduced lymphatic function and immune cell clearance in vivo. However, current animal models of RA fail to decouple biological and biophysical factors that might be responsible for this lymphatic dysfunction in RA, and a few attempted in vitro models of the synovium in RA have not yet included the contributions from the LVs. Various methods of replicating LVs in vitro have been developed to study lymphatic biology, but these have yet not been integrated into the RA context. This review discusses the roles of LVs in RA and the current engineering approaches to improve our understanding of lymphatic pathophysiology in RA.
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Affiliation(s)
- Samantha E. Kraus
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Esak Lee
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
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26
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Leonard EV, Hasan SS, Siekmann AF. Temporally and regionally distinct morphogenetic processes govern zebrafish caudal fin blood vessel network expansion. Development 2023; 150:dev201030. [PMID: 36938965 PMCID: PMC10113958 DOI: 10.1242/dev.201030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 03/10/2023] [Indexed: 03/21/2023]
Abstract
Blood vessels form elaborate networks that depend on tissue-specific signalling pathways and anatomical structures to guide their growth. However, it is not clear which morphogenetic principles organize the stepwise assembly of the vasculature. We therefore performed a longitudinal analysis of zebrafish caudal fin vascular assembly, revealing the existence of temporally and spatially distinct morphogenetic processes. Initially, vein-derived endothelial cells (ECs) generated arteries in a reiterative process requiring vascular endothelial growth factor (Vegf), Notch and cxcr4a signalling. Subsequently, veins produced veins in more proximal fin regions, transforming pre-existing artery-vein loops into a three-vessel pattern consisting of an artery and two veins. A distinct set of vascular plexuses formed at the base of the fin. They differed in their diameter, flow magnitude and marker gene expression. At later stages, intussusceptive angiogenesis occurred from veins in distal fin regions. In proximal fin regions, we observed new vein sprouts crossing the inter-ray tissue through sprouting angiogenesis. Together, our results reveal a surprising diversity among the mechanisms generating the mature fin vasculature and suggest that these might be driven by separate local cues.
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Affiliation(s)
- Elvin V. Leonard
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, 1114 Biomedical Research Building, 421 Curie Boulevard, Philadelphia, PA 19104, USA
| | - Sana Safatul Hasan
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
| | - Arndt F. Siekmann
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, 1114 Biomedical Research Building, 421 Curie Boulevard, Philadelphia, PA 19104, USA
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27
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Trivedi A, Reed HO. The lymphatic vasculature in lung function and respiratory disease. Front Med (Lausanne) 2023; 10:1118583. [PMID: 36999077 PMCID: PMC10043242 DOI: 10.3389/fmed.2023.1118583] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023] Open
Abstract
The lymphatic vasculature maintains tissue homeostasis via fluid drainage in the form of lymph and immune surveillance due to migration of leukocytes through the lymphatics to the draining lymph nodes. Lymphatic endothelial cells (LECs) form the lymphatic vessels and lymph node sinuses and are key players in shaping immune responses and tolerance. In the healthy lung, the vast majority of lymphatic vessels are found along the bronchovascular structures, in the interlobular septa, and in the subpleural space. Previous studies in both mice and humans have shown that the lymphatics are necessary for lung function from the neonatal period through adulthood. Furthermore, changes in the lymphatic vasculature are observed in nearly all respiratory diseases in which they have been analyzed. Recent work has pointed to a causative role for lymphatic dysfunction in the initiation and progression of lung disease, indicating that these vessels may be active players in pathologic processes in the lung. However, the mechanisms by which defects in lung lymphatic function are pathogenic are understudied, leaving many unanswered questions. A more comprehensive understanding of the mechanistic role of morphological, functional, and molecular changes in the lung lymphatic endothelium in respiratory diseases is a promising area of research that is likely to lead to novel therapeutic targets. In this review, we will discuss our current knowledge of the structure and function of the lung lymphatics and the role of these vessels in lung homeostasis and respiratory disease.
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Affiliation(s)
- Anjali Trivedi
- Weill Cornell Medical Center, New York, NY, United States
| | - Hasina Outtz Reed
- Weill Cornell Medical Center, New York, NY, United States
- Graduate School of Medical Sciences, Weill Cornell Medicine, New York, NY, United States
- *Correspondence: Hasina Outtz Reed,
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28
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Ruliffson BNK, Whittington CF. Regulating Lymphatic Vasculature in Fibrosis: Understanding the Biology to Improve the Modeling. Adv Biol (Weinh) 2023; 7:e2200158. [PMID: 36792967 DOI: 10.1002/adbi.202200158] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 12/19/2022] [Indexed: 02/17/2023]
Abstract
Fibrosis occurs in many chronic diseases with lymphatic vascular insufficiency (e.g., kidney disease, tumors, and lymphedema). New lymphatic capillary growth can be triggered by fibrosis-related tissue stiffening and soluble factors, but questions remain for how related biomechanical, biophysical, and biochemical cues affect lymphatic vascular growth and function. The current preclinical standard for studying lymphatics is animal modeling, but in vitro and in vivo outcomes often do not align. In vitro models can also be limited in their ability to separate vascular growth and function as individual outcomes, and fibrosis is not traditionally included in model design. Tissue engineering provides an opportunity to address in vitro limitations and mimic microenvironmental features that impact lymphatic vasculature. This review discusses fibrosis-related lymphatic vascular growth and function in disease and the current state of in vitro lymphatic vascular models while highlighting relevant knowledge gaps. Additional insights into the future of in vitro lymphatic vascular models demonstrate how prioritizing fibrosis alongside lymphatics will help capture the complexity and dynamics of lymphatics in disease. Overall, this review aims to emphasize that an advanced understanding of lymphatics within a fibrotic disease-enabled through more accurate preclinical modeling-will significantly impact therapeutic development toward restoring lymphatic vessel growth and function in patients.
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Affiliation(s)
- Brian N K Ruliffson
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Rd., Worcester, MA, 01609, USA
| | - Catherine F Whittington
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Rd., Worcester, MA, 01609, USA
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29
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Chen K, Mou R, Zhu P, Xu X, Wang H, Jiang L, Hu Y, Hu X, Ma L, Xiao Q, Xu Q. The Effect of Lymphangiogenesis in Transplant Arteriosclerosis. Circulation 2023; 147:482-497. [PMID: 36515099 DOI: 10.1161/circulationaha.122.060799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 10/26/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Transplant arteriosclerosis is a major complication in long-term survivors of heart transplantation. Increased lymph flow from donor heart to host lymph nodes has been reported to play a role in transplant arteriosclerosis, but how lymphangiogenesis affects this process is unknown. METHODS Vascular allografts were transplanted among various combinations of mice, including wild-type, Lyve1-CreERT2;R26-tdTomato, CAG-Cre-tdTomato, severe combined immune deficiency, Ccr2KO, Foxn1KO, and lghm/lghdKO mice. Whole-mount staining and 3-dimensional reconstruction identified lymphatic vessels within the grafted arteries. Lineage tracing strategies delineated the cellular origin of lymphatic endothelial cells. Adeno-associated viral vectors and a selective inhibitor were used to regulate lymphangiogenesis. RESULTS Lymphangiogenesis within allograft vessels began at the anastomotic sites and extended from preexisting lymphatic vessels in the host. Tertiary lymphatic organs were identified in transplanted arteries at the anastomotic site and lymphatic vessels expressing CCL21 (chemokine [C-C motif] ligand 21) were associated with these immune structures. Fibroblasts in the vascular allografts released VEGF-C (vascular endothelial growth factor C), which stimulated lymphangiogenesis into the grafts. Inhibition of VEGF-C signaling inhibited lymphangiogenesis, neointima formation, and adventitial fibrosis of vascular allografts. These studies identified VEGF-C released from fibroblasts as a signal stimulating lymphangiogenesis extending from the host into the vascular allografts. CONCLUSIONS Formation of lymphatic vessels plays a key role in the immune response to vascular transplantation. The inhibition of lymphangiogenesis may be a novel approach to prevent transplant arteriosclerosis.
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Affiliation(s)
- Kai Chen
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Rong Mou
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Pengwei Zhu
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaodong Xu
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Han Wang
- Centre for Clinical Pharmacology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom (H.W., Qingzhong Xiao)
| | - Liujun Jiang
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanhua Hu
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaosheng Hu
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Liang Ma
- Cardiovascular Surgery (L.M.), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qingzhong Xiao
- Centre for Clinical Pharmacology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, United Kingdom (H.W., Qingzhong Xiao)
| | - Qingbo Xu
- Departments of Cardiology (K.C., R.M., P.Z., X.X., L.J., Y.H., X.H., Qingbo Xu), the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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30
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Singhal D, Börner K, Chaikof EL, Detmar M, Hollmén M, Iliff JJ, Itkin M, Makinen T, Oliver G, Padera TP, Quardokus EM, Radtke AJ, Suami H, Weber GM, Rovira II, Muratoglu SC, Galis ZS. Mapping the lymphatic system across body scales and expertise domains: A report from the 2021 National Heart, Lung, and Blood Institute workshop at the Boston Lymphatic Symposium. Front Physiol 2023; 14:1099403. [PMID: 36814475 PMCID: PMC9939837 DOI: 10.3389/fphys.2023.1099403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/20/2023] [Indexed: 02/09/2023] Open
Abstract
Enhancing our understanding of lymphatic anatomy from the microscopic to the anatomical scale is essential to discern how the structure and function of the lymphatic system interacts with different tissues and organs within the body and contributes to health and disease. The knowledge of molecular aspects of the lymphatic network is fundamental to understand the mechanisms of disease progression and prevention. Recent advances in mapping components of the lymphatic system using state of the art single cell technologies, the identification of novel biomarkers, new clinical imaging efforts, and computational tools which attempt to identify connections between these diverse technologies hold the potential to catalyze new strategies to address lymphatic diseases such as lymphedema and lipedema. This manuscript summarizes current knowledge of the lymphatic system and identifies prevailing challenges and opportunities to advance the field of lymphatic research as discussed by the experts in the workshop.
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Affiliation(s)
- Dhruv Singhal
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Katy Börner
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University Bloomington, Bloomington, IN, United States
| | - Elliot L. Chaikof
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland
| | - Maija Hollmén
- MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Jeffrey J. Iliff
- VISN 20 Mental Illness Research, Education and Clinical Center (MIRECC), VA Puget Sound Healthcare System, Department of Psychiatry and Behavioral Science, Department of Neurology, University of Washington School of Medicine, Seattle, WA, United States
| | - Maxim Itkin
- Center for Lymphatic Imaging and Interventions, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Taija Makinen
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Guillermo Oliver
- Center for Vascular and Developmental Biology, Feinberg School of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University, Chicago, IL, United States
| | - Timothy P. Padera
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Ellen M. Quardokus
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University Bloomington, Bloomington, IN, United States
| | - Andrea J. Radtke
- Lymphocyte Biology Section and Center for Advanced Tissue Imaging, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Hiroo Suami
- Department of Clinical Medicine, Australian Lymphoedema Education, Research and Treatment Centre, Macquarie University, Sydney, NSW, Australia
| | - Griffin M. Weber
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Ilsa I. Rovira
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Selen C. Muratoglu
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Zorina S. Galis
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, United States
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31
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Biswas L, Chen J, De Angelis J, Singh A, Owen-Woods C, Ding Z, Pujol JM, Kumar N, Zeng F, Ramasamy SK, Kusumbe AP. Lymphatic vessels in bone support regeneration after injury. Cell 2023; 186:382-397.e24. [PMID: 36669473 DOI: 10.1016/j.cell.2022.12.031] [Citation(s) in RCA: 62] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 10/05/2022] [Accepted: 12/19/2022] [Indexed: 01/20/2023]
Abstract
Blood and lymphatic vessels form a versatile transport network and provide inductive signals to regulate tissue-specific functions. Blood vessels in bone regulate osteogenesis and hematopoiesis, but current dogma suggests that bone lacks lymphatic vessels. Here, by combining high-resolution light-sheet imaging and cell-specific mouse genetics, we demonstrate presence of lymphatic vessels in mouse and human bones. We find that lymphatic vessels in bone expand during genotoxic stress. VEGF-C/VEGFR-3 signaling and genotoxic stress-induced IL6 drive lymphangiogenesis in bones. During lymphangiogenesis, secretion of CXCL12 from proliferating lymphatic endothelial cells is critical for hematopoietic and bone regeneration. Moreover, lymphangiocrine CXCL12 triggers expansion of mature Myh11+ CXCR4+ pericytes, which differentiate into bone cells and contribute to bone and hematopoietic regeneration. In aged animals, such expansion of lymphatic vessels and Myh11-positive cells in response to genotoxic stress is impaired. These data suggest lymphangiogenesis as a therapeutic avenue to stimulate hematopoietic and bone regeneration.
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Affiliation(s)
- Lincoln Biswas
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK
| | - Junyu Chen
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK; State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jessica De Angelis
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK
| | - Amit Singh
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK; Heidelberg University Biochemistry Center, Im Neuenheimer Feld 328, Heidelberg D-69120, Germany
| | - Charlotte Owen-Woods
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK
| | - Zhangfan Ding
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK; State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Joan Mane Pujol
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK
| | - Naveen Kumar
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK
| | - Fanxin Zeng
- Department of Clinic Medical Center, Dazhou Central Hospital, Dazhou, China
| | - Saravana K Ramasamy
- MRC London Institute of Medical Sciences, Imperial College London, London W12 0NN, UK
| | - Anjali P Kusumbe
- Tissue and Tumor Microenvironments Group, MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Medical Sciences Division, University of Oxford, Oxford OX3 9DS, UK.
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Wang YC, Meng WT, Zhang HF, Zhu J, Wang QL, Mou FF, Guo HD. Lymphangiogenesis, a potential treatment target for myocardial injury. Microvasc Res 2023; 145:104442. [PMID: 36206847 DOI: 10.1016/j.mvr.2022.104442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/26/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2022]
Abstract
The lymphatic vascular system is crucial for the regulation of tissue fluid homeostasis, lipid metabolism, and immune function. Cardiac injury quickly leads to myocardial edema, cardiac lymphatic dysfunction, which ultimately results in myocardial fluid imbalance and cardiac dysfunction. Therefore, lymphangiogenesis-targeted therapy may improve the recovery of myocardial function post cardiac ischemia as observed in myocardial infarction (MI). Indeed, a promising strategy for the clinical treatment of MI relies on vascular endothelial growth factor-C (VEGF-C)-targeted therapy, which promotes lymphangiogenesis. However, much effort is needed to identify the mechanisms of lymphatic transport in response to heart disease. This article reviews regulatory factors of lymphangiogenesis, and discusses the effects of lymphangiogenesis on cardiac function after cardiac injury and its regulatory mechanisms. The involvement of stem cells on lymphangiogenesis was also discussed as stem cells could differentiate into lymphatic endothelial cells (LECs) and stimulate phenotype of LECs.
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Affiliation(s)
- Ya-Chao Wang
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Wan-Ting Meng
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hai-Feng Zhang
- Department of Human Anatomy, Xuzhou Medical University, Xuzhou 221004, China
| | - Jing Zhu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qiang-Li Wang
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fang-Fang Mou
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Hai-Dong Guo
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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33
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Bauer C, Dori Y, Scala M, Tulzer A, Tulzer G. Current diagnostic and therapeutic strategies for the management of lymphatic insufficiency in patients with hypoplastic left heart syndrome. Front Pediatr 2023; 11:1058567. [PMID: 36911024 PMCID: PMC9999027 DOI: 10.3389/fped.2023.1058567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/31/2023] [Indexed: 03/14/2023] Open
Abstract
Children with hypoplastic left heart syndrome share unique hemodynamic features that alter lymphatic integrity at all stages of palliation. Lymphatic congestion is almost universal in this patient group to some extent. It may lead to reversal of lymphatic flow, the development of abnormal lymphatic channels and ultimately decompression and loss of protein rich lymphatic fluid into extra lymphatic compartments in prone individuals. Some of the most devastating complications that are associated with single ventricle physiology, notably plastic bronchitis and protein losing enteropathy, have now been proven to be lymphatic in origin. Based on the new pathophysiologic concept new diagnostic and therapeutic strategies have recently been developed. Dynamic contrast magnetic resonance lymphangiography is now mainstay in diagnosis of lymphatic insufficiency and allows a thorough assessment of anatomy and function of the main lymphatic compartments through intranodal, intrahepatic and intramesenteric lymphatic imaging. Contrast enhanced ultrasound can evaluate thoracic duct patency and conventional fluoroscopic lymphangiography has been refined for evaluation of patients where magnetic resonance imaging cannot be performed. Novel lymphatic interventional techniques, such as thoracic duct embolization, selective lymphatic duct embolization and liver lymphatic embolization allow to seal abnormal lymphatic networks minimally invasive and have shown to resolve symptoms. Innominate vein turn-down procedures, whether surgical or interventional, have been designed to reduce lymphatic afterload and increase systemic preload effectively in the failing Fontan circulation. Outflow obstruction can now be managed with new microsurgical techniques that create lympho-venous anastomosis. Short term results for all of these new approaches are overall promising but evidence is sparse and long-term outcome still has to be defined. This review article aims to summarize current concepts of lymphatic flow disorders in single ventricle patients, discuss new emerging diagnostic and therapeutic strategies and point out lacks in evidence and needs for further research on this rapidly growing topic.
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Affiliation(s)
- Christoph Bauer
- Department of Paediatric Cardiology, Kepler University Hospital GmbH, Linz, Austria.,Johannes Kepler University Linz, Linz, Austria
| | - Yoav Dori
- Department of Cardiology, Jill and Mark Fishman Center for Lymphatic Disorders, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Mario Scala
- Johannes Kepler University Linz, Linz, Austria.,Central Radiology Institute, Kepler University Hospital GmbH, Linz, Austria
| | - Andreas Tulzer
- Department of Paediatric Cardiology, Kepler University Hospital GmbH, Linz, Austria.,Johannes Kepler University Linz, Linz, Austria
| | - Gerald Tulzer
- Department of Paediatric Cardiology, Kepler University Hospital GmbH, Linz, Austria.,Johannes Kepler University Linz, Linz, Austria
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Guo X, Zhang G, Peng Q, Huang L, Zhang Z, Zhang Z. Emerging Roles of Meningeal Lymphatic Vessels in Alzheimer's Disease. J Alzheimers Dis 2023; 94:S355-S366. [PMID: 36683509 PMCID: PMC10473149 DOI: 10.3233/jad-221016] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2022] [Indexed: 01/22/2023]
Abstract
Meningeal lymphatic vessels (mLVs), the functional lymphatic system present in the meninges, are the key drainage route responsible for the clearance of molecules, immune cells, and cellular debris from the cerebrospinal fluid and interstitial fluid into deep cervical lymph nodes. Aging and ApoE4, the two most important risk factors for Alzheimer's disease (AD), induce mLV dysfunction, decrease cerebrospinal fluid influx and outflux, and exacerbate amyloid pathology and cognitive dysfunction. Dysfunction of mLVs results in the deposition of metabolic products, accelerates neuroinflammation, and promotes the release of pro-inflammatory cytokines in the brain. Thus, mLVs represent a novel therapeutic target for treating neurodegenerative and neuroinflammatory diseases. This review aims to summarize the structure and function of mLVs and to discuss the potential effect of aging and ApoE4 on mLV dysfunction, as well as their roles in the pathogenesis of AD.
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Affiliation(s)
- Xiaodi Guo
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Guoxin Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qinyu Peng
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Liqin Huang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhaohui Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhentao Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
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35
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The Impact of Stem/Progenitor Cells on Lymphangiogenesis in Vascular Disease. Cells 2022; 11:cells11244056. [PMID: 36552820 PMCID: PMC9776475 DOI: 10.3390/cells11244056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/03/2022] [Accepted: 12/12/2022] [Indexed: 12/16/2022] Open
Abstract
Lymphatic vessels, as the main tube network of fluid drainage and leukocyte transfer, are responsible for the maintenance of homeostasis and pathological repairment. Recently, by using genetic lineage tracing and single-cell RNA sequencing techniques, significant cognitive progress has been made about the impact of stem/progenitor cells during lymphangiogenesis. In the embryonic stage, the lymphatic network is primarily formed through self-proliferation and polarized-sprouting from the lymph sacs. However, the assembly of lymphatic stem/progenitor cells also guarantees the sustained growth of lymphvasculogenesis to obtain the entire function. In addition, there are abundant sources of stem/progenitor cells in postnatal tissues, including circulating progenitors, mesenchymal stem cells, and adipose tissue stem cells, which can directly differentiate into lymphatic endothelial cells and participate in lymphangiogenesis. Specifically, recent reports indicated a novel function of lymphangiogenesis in transplant arteriosclerosis and atherosclerosis. In the present review, we summarized the latest evidence about the diversity and incorporation of stem/progenitor cells in lymphatic vasculature during both the embryonic and postnatal stages, with emphasis on the impact of lymphangiogenesis in the development of vascular diseases to provide a rational guidance for future research.
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36
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Kong X, Gao N, Du J, Zhao Q. Arrangement of Indocyanine Green in a 1.5-Nanometer Channel to Achieve High-Efficiency Imaging of the Intestinal Lymphatic System. Molecules 2022; 27:molecules27248704. [PMID: 36557838 PMCID: PMC9786184 DOI: 10.3390/molecules27248704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
The complications of inflammatory bowel diseases (IBDs) seriously endanger people’s health, such as bleeding, polyp hyperplasia, and even cancer. Although the precise pathophysiology of IBD is unknown, alterations in the intestinal lymphatic network, such as lymphangiogenesis and lymphatic vessel dysfunction, are well-established features. Therefore, the development of a reliable technology is urgently required, with a stereoscopic, deep, and high-resolution technology for IBD lymphatic targeting imaging in clinical practice. However, indocyanine green, the only clinically approved imaging agent by the Food and Drug Administration, can easily cause self-aggregation or be interfered with by microenvironments, causing fluorescence quenching, which seriously affects the imaging and detective capabilities. Herein, indocyanine green molecules are arranged in a 1.5-nanometer one-dimensional channel (TpPa-1@ICG). Based on this specified structure, the fluorescence enhancement effect is observed in the TpPa-1@ICG resultant, and the fluorescence intensity is enhanced by 27%. In addition, the ICG-incorporated porous solid reveals outstanding solvent (dichloromethane, tetrahydrofuran, etc.) and thermal (>300 °C) stability. After modifying the target molecules, TpPa-1@ICG showed excellent imaging ability for intestinal lymphatic vessels, providing a new imaging tool for IBDs research.
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Affiliation(s)
- Xiangyi Kong
- Key Laboratory of Lymphatic Surgery Jilin Province, Jilin Engineering Laboratory for Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun 130031, China
| | - Nan Gao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
- Correspondence: (N.G.); (J.D.)
| | - Jianshi Du
- Key Laboratory of Lymphatic Surgery Jilin Province, Jilin Engineering Laboratory for Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun 130031, China
- Correspondence: (N.G.); (J.D.)
| | - Qing Zhao
- Key Laboratory of Lymphatic Surgery Jilin Province, Jilin Engineering Laboratory for Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun 130031, China
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37
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Mukohda M, Mizuno R, Saito F, Matsui T, Ozaki H. Hypertension is linked to enhanced lymphatic contractile response via RGS16/RhoA/ROCK pathway. Am J Physiol Heart Circ Physiol 2022; 323:H1118-H1129. [PMID: 36306212 DOI: 10.1152/ajpheart.00496.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Lymph capillary network can be expected to alter blood pressure via regulating interstitial electrolyte and volume balance. However, the pathophysiology of lymphatic vessel in hypertension is poorly understood. In this study, we examined lymph vessel function focusing on contractile response in hypertensive rats. It was found that thoracic ducts isolated from adult (10-14 wk old) spontaneously hypertensive rats (SHRs) exhibited increased agonist-mediated contraction compared with age-matched Wistar-Kyoto (WKY) rats, whereas lymphatic contractions in younger (4 wk old) SHRs, exhibiting normal blood pressure, were no different compared with age-matched control rats. Tight regulation of blood pressure with antihypertensive drugs (hydrochlorothiazide/hydralazine) did not prevent the augmented lymphatic contraction in adult SHRs; however, treatment of SHRs with angiotensin II (ANG II) type 1 receptor blocker (losartan) for 6 wk abolished the augmentation of lymphatic contractions. In addition, ANG II infusion in Wistar rat caused augmented lymphatic contractile responses in the thoracic duct. The augmented contractions in adult SHRs were diminished by a ROCK inhibitor (Y-27632). Consistently, the thoracic ducts in SHRs showed significantly higher phosphorylation of myosin phosphatase targeting protein-1 than WKY rats. Furthermore, gene expression profiling of adult SHR lymphatics showed marked loss of regulator of G-protein signaling 16 (RGS16) mRNA, which was confirmed by the real-time PCR. Treatment with the RGS inhibitor CCG-63808 enhanced contractions in thoracic ducts from Wistar rats, which were abolished by the ROCK inhibitor. It is concluded that lymphatic contractile function was enhanced in hypertensive model rats, which could be mediated by dysregulation of the ROCK pathway possibly through RGS16.NEW & NOTEWORTHY Lymph capillary controls interstitial electrolyte and volume balance, which may blunt increased blood pressure. However, the function of lymphatic vessel in hypertension is poorly understood. Our study showed that the lymphatic smooth muscle contractility is hyperreactive in two different hypertensive models. The lymphatic dysfunction could be mediated by dysregulation of ROCK pathway possibly through RGS16. The present finding supports a new concept showing the functional relationship between lymphatic contractile activity and hypertension.
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Affiliation(s)
- Masashi Mukohda
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
| | - Risuke Mizuno
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
| | - Fumiyo Saito
- Department of Toxicology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
| | - Toshiyasu Matsui
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
| | - Hiroshi Ozaki
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
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38
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Ujiie N, Kume T. Mechanical forces in lymphatic vessel development: Focus on transcriptional regulation. Front Physiol 2022; 13:1066460. [PMID: 36439271 PMCID: PMC9685408 DOI: 10.3389/fphys.2022.1066460] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 10/26/2022] [Indexed: 11/11/2022] Open
Abstract
The lymphatic system is crucial for the maintenance of interstitial fluid and protein homeostasis. It has important roles in collecting excess plasma and interstitial fluid leaked from blood vessels, lipid absorption and transportation in the digestive system, and immune surveillance and response. The development of lymphatic vessels begins during fetal life as lymphatic endothelial progenitor cells first differentiate into lymphatic endothelial cells (LECs) by expressing the master lymphatic vascular regulator, prospero-related homeobox 1 (PROX1). The lymphatic vasculature forms a hierarchical network that consists of blind-ended and unidirectional vessels. Although much progress has been made in the elucidation of the cellular and molecular mechanisms underlying the formation of the lymphatic vascular system, the causes of lymphatic vessel abnormalities and disease are poorly understood and complicated; specifically, the mechanistic basis for transcriptional dysregulation in lymphatic vessel development remains largely unclear. In this review, we discuss the recent advances in our understanding of the molecular and cellular mechanisms of lymphatic vascular development, including LEC differentiation, lymphangiogenesis, and valve formation, and the significance of mechanical forces in lymphatic vessels, with a focus on transcriptional regulation. We also summarize the current knowledge on epigenetic mechanisms of lymphatic gene expression.
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39
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Li Y, Lu S, Zhang Y, Li J, Xiong L. High-Resolution Imaging of the Ocular Vasculature of Conjunctivitis in Mice Using Highly Bright Polymer Dots. Adv Healthc Mater 2022; 11:e2200978. [PMID: 36027786 DOI: 10.1002/adhm.202200978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/03/2022] [Indexed: 01/28/2023]
Abstract
Ocular diseases are mainly caused by vascular aberrations in the eye, and accurate imaging and analysis of the ocular vascular structure is crucial. In this study, poly(9,9-dioctylfluorene-alt-benzothiadiazole) (PFBT) polymer dots (Pdots), with the advantages of easy synthesis, high brightness, and low toxicity, are used as nanoprobes to perform high-resolution imaging of the vasculature of the eyeball and optic nerve. Moreover, rapid imaging of the choroidal microvessels is carried out by stereoscopic fluorescence microscopy with a resolution of up to 1.6 µm. The comprehensive 3D vascular information of retinal aorta and optic nerve microvessels is obtained by combining tissue clearing and multiphoton microscopy. In addition, the vascular density of Schlemm's canal and iris blood vessels is compared between the conjunctivitis mice and the normal mice. These results suggest that PFBT Pdots have great application potential in the fast and accurate imaging of ocular diseases.
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Affiliation(s)
- Yuqiao Li
- Shanghai Med-X Engineering Center for Medical Equipment and Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Shuting Lu
- Shanghai Med-X Engineering Center for Medical Equipment and Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Yufan Zhang
- Shanghai Med-X Engineering Center for Medical Equipment and Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Jingru Li
- Shanghai Med-X Engineering Center for Medical Equipment and Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Liqin Xiong
- Shanghai Med-X Engineering Center for Medical Equipment and Technology, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
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40
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Buntinx F, Lebeau A, Gillot L, Baudin L, Ndong Penda R, Morfoisse F, Lallemand F, Vottero G, Nizet C, Nizet JL, Blacher S, Noel A. Single and combined impacts of irradiation and surgery on lymphatic vasculature and fibrosis associated to secondary lymphedema. Front Pharmacol 2022; 13:1016138. [PMID: 36330083 PMCID: PMC9622766 DOI: 10.3389/fphar.2022.1016138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Lymphedema (LD) refers to a condition of lymphatic dysfunction associated with excessive fluid accumulation, fibroadipose tissue deposition and swelling. In industrialized countries, LD development mainly results from a local disruption of the lymphatic network by an infection or cancer-related surgery (secondary LD). In the absence of efficient therapy, animal models are needed to decipher the cellular and molecular mechanisms underlying LD and test putative drugs. In this study, we optimized and characterized a murine model of LD that combines an irradiation of the mice hind limb and a radical surgery (lymph node resection associated to lymphatic vessel ligation). We investigated the respective roles of irradiation and surgery in LD formation by comparing their impacts, alone or in combination (with different intervention sequences), on eight different features of the pathology: swelling (paw thickness), indocyanine green (ICG) clearance, lymphatic vasculature remodeling, epidermal and dermal thickening, adipocyte accumulation, inflammatory cell infiltration and collagen deposition. This study supports the importance of radiation prior to surgery to experimentally induce a rapid, severe and sustained tissue remodeling harboring the different hallmarks of LD. We provide the first experimental evidence for an excessive deposition of periostin (POSTN) and tenascin-C (TNC) in LD. Through a computerized method of digital image quantification, we established the spatial map of lymphatic expansion, as well as collagen, POSTN and TNC deposition in papillary and reticular dermis of lymphedematous skins. This mouse model is available to study the patho-physiology of LD and test potential therapeutic targets.
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Affiliation(s)
- F. Buntinx
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - A. Lebeau
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - L. Gillot
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - L. Baudin
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - R. Ndong Penda
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - F. Morfoisse
- U1297-Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM), University of Toulouse, Toulouse, France
| | - F. Lallemand
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
- Department of Radiotherapy-Oncology, Centre Hospitalier Universitaire (CHU) de Liège, University of Liège, Liège, Belgium
| | - G. Vottero
- Department of Plastic and Reconstructive Surgery, Centre Hospitalier Universitaire (CHU) de Liège, University of Liège, Liège, Belgium
| | - C. Nizet
- Department of Plastic and Reconstructive Surgery, Centre Hospitalier Universitaire (CHU) de Liège, University of Liège, Liège, Belgium
| | - J. L. Nizet
- Department of Plastic and Reconstructive Surgery, Centre Hospitalier Universitaire (CHU) de Liège, University of Liège, Liège, Belgium
| | - S. Blacher
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
| | - A. Noel
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège (ULiège), Sart-Tilman, Liège, Belgium
- Walloon Excellence in Life Sciences and Biotechnology (WELBIO), Wavre, Belgium
- *Correspondence: A. Noel,
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41
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Xu JQ, Liu QQ, Huang SY, Duan CY, Lu HB, Cao Y, Hu JZ. The lymphatic system: a therapeutic target for central nervous system disorders. Neural Regen Res 2022; 18:1249-1256. [PMID: 36453401 PMCID: PMC9838139 DOI: 10.4103/1673-5374.355741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
The lymphatic vasculature forms an organized network that covers the whole body and is involved in fluid homeostasis, metabolite clearance, and immune surveillance. The recent identification of functional lymphatic vessels in the meninges of the brain and the spinal cord has provided novel insights into neurophysiology. They emerge as major pathways for fluid exchange. The abundance of immune cells in lymphatic vessels and meninges also suggests that lymphatic vessels are actively involved in neuroimmunity. The lymphatic system, through its role in the clearance of neurotoxic proteins, autoimmune cell infiltration, and the transmission of pro-inflammatory signals, participates in the pathogenesis of a variety of neurological disorders, including neurodegenerative and neuroinflammatory diseases and traumatic injury. Vascular endothelial growth factor C is the master regulator of lymphangiogenesis, a process that is critical for the maintenance of central nervous system homeostasis. In this review, we summarize current knowledge and recent advances relating to the anatomical features and immunological functions of the lymphatic system of the central nervous system and highlight its potential as a therapeutic target for neurological disorders and central nervous system repair.
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Affiliation(s)
- Jia-Qi Xu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Qian-Qi Liu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Sheng-Yuan Huang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Chun-Yue Duan
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Hong-Bin Lu
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Correspondence to: Yong Cao, or ; Hong-Bin Lu, ; Jian-Zhong Hu, .
| | - Yong Cao
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Correspondence to: Yong Cao, or ; Hong-Bin Lu, ; Jian-Zhong Hu, .
| | - Jian-Zhong Hu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China,Mobile Health Ministry of Education - China Mobile Joint Laboratory, Changsha, Hunan Province, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China,Correspondence to: Yong Cao, or ; Hong-Bin Lu, ; Jian-Zhong Hu, .
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Brunner G, Roux MS, Falk T, Bresch M, Böhm V, Blödorn-Schlicht N, Meiners T. The Peripheral Lymphatic System Is Impaired by the Loss of Neuronal Control Associated with Chronic Spinal Cord Injury. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:1448-1457. [PMID: 35843264 DOI: 10.1016/j.ajpath.2022.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 06/03/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
Spinal cord injury (SCI) is associated with venous vascular dysfunction below the level of injury, resulting in dysregulation of tissue fluid homeostasis in afflicted skin. The purpose of this study was to determine whether loss of neuronal control in chronic SCI also affects the skin lymphatic system. Morphology of lymphatics was characterized by immunohistochemistry and lymphatic gene expression profiles determined by DNA microarray analysis. In SCI, skin lymphatic function appeared to be impaired, because the ratio of functionally dilated versus collapsed lymphatic vessels was decreased 10-fold compared with control. Consequently, the average lumen area of lymphatic vessels was almost halved, possibly due to the known impaired connective tissue integrity of SCI skin. In fact, collagenases were found to be overexpressed in SCI skin, and dermal collagen structure was impaired. Molecular profiling also suggested an SCI-specific phenotype of increased connective tissue turnover and decreased lymphatic contractility. The total number of lymphatic vessels in SCI skin, however, was doubled, pointing to enhanced lymphangiogenesis. In conclusion, these data show, for the first time, that lymphatic function and development in human skin are under neuronal control. Because peripheral venous and lymphatic vascular defects are associated with disturbed fluid homeostasis, inappropriate wound healing reactions, and impaired skin immunity, they might contribute to the predisposition of afflicted individuals to pressure ulcer formation and wound healing disorders.
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Affiliation(s)
- Georg Brunner
- Center for Spinal Cord Injuries, Werner Wicker Hospital, Bad Wildungen, Germany; Department of Cancer Research, Fachklinik Hornheide, Münster, Germany.
| | - Meike S Roux
- Department of Cancer Research, Fachklinik Hornheide, Münster, Germany
| | - Thomas Falk
- Department of Dermatohistopathology, Dermatologikum Hamburg, Hamburg, Germany
| | - Martina Bresch
- Department of Dermatohistopathology, Dermatologikum Hamburg, Hamburg, Germany
| | - Volker Böhm
- Center for Spinal Cord Injuries, Werner Wicker Hospital, Bad Wildungen, Germany
| | | | - Thomas Meiners
- Center for Spinal Cord Injuries, Werner Wicker Hospital, Bad Wildungen, Germany
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Lou B, Wu W, Zeng L, Zhou W, Zhang X, Zhou X, Liu Z, Liu K, Gu X, Chen X, Wang Y, Chen Y, Gao X, Zhang F. Alleviating experimental allergic eye disease by inhibiting pro-lymphangiogenic VEGFR3 signal. Ocul Surf 2022; 26:1-12. [PMID: 35931408 DOI: 10.1016/j.jtos.2022.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 06/29/2022] [Accepted: 07/18/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE Ocular allergy leads to acute and chronic inflammation that may deteriorate the conjunctiva and other ocular tissue. The conjunctiva is covered with abundant lymphatic vessels but how the conjunctival lymphatic system patriciates in the development of allergic eye disease (AED) remains to be elucidated. METHODS AND RESULTS By using ovalbumin (OVA)+pertussis toxin (PTX) as a sensitizer followed by daily OVA challenges, we induced optimized AED manifestations in mice. We show that conjunctival lymphatics underwent significant expansion after 28 days of chronic OVA challenge, and this process can be prevented by inducible genetic ablation of lymphatic Vegfr3. Through transcriptomic profile analysis in combination with histopathological examinations, we found that pro-lymphangiogenic VEGFR3 signal promoted allergy-induced activation of T helper 2 (Th2) type immune responses, including antigen presentation, and Th2 cells, B cells and mast cell-related pathways in the conjunctiva, thereby critically contributing to the immunoglobulin E (IgE) production and AED manifestations. As a result, ocular allergy can be alleviated by genetic inhibition of lymphatic Vegfr3. Interestingly, pro-lymphangiogenic VEGFR3 signal did not appear to affect the obstruction of meibomian glands (MGs) or the activation of Th17 type and neutrophil pathways that are associated with AED. CONCLUSIONS These data reveal the key role of pro-lymphangiogenic VEGFR3 signaling in the development of AED and provide experimental evidence that VEGFR3 inhibition may be useful in treating ocular allergy in patients.
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Affiliation(s)
- Bingsheng Lou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Wanwen Wu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Lei Zeng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Weibin Zhou
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xuan Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Xuetong Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Zheng Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Keli Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Xinyu Gu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Xun Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Yeqi Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, China; State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, China
| | - Yangxin Chen
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xinbo Gao
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China
| | - Feng Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.
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Wilting J, Becker J. The lymphatic vascular system: much more than just a sewer. Cell Biosci 2022; 12:157. [PMID: 36109802 PMCID: PMC9476376 DOI: 10.1186/s13578-022-00898-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/06/2022] [Indexed: 11/18/2022] Open
Abstract
Almost 400 years after the (re)discovery of the lymphatic vascular system (LVS) by Gaspare Aselli (Asellius G. De lactibus, sive lacteis venis, quarto vasorum mesaraicorum genere, novo invento Gasparis Asellii Cremo. Dissertatio. (MDCXXIIX), Milan; 1628.), structure, function, development and evolution of this so-called 'second' vascular system are still enigmatic. Interest in the LVS was low because it was (and is) hardly visible, and its diseases are not as life-threatening as those of the blood vascular system. It is not uncommon for patients with lymphedema to be told that yes, they can live with it. Usually, the functions of the LVS are discussed in terms of fluid homeostasis, uptake of chylomicrons from the gut, and immune cell circulation. However, the broad molecular equipment of lymphatic endothelial cells suggests that they possess many more functions, which are also reflected in the pathophysiology of the system. With some specific exceptions, lymphatics develop in all organs. Although basic structure and function are the same regardless their position in the body wall or the internal organs, there are important site-specific characteristics. We discuss common structure and function of lymphatics; and point to important functions for hyaluronan turn-over, salt balance, coagulation, extracellular matrix production, adipose tissue development and potential appetite regulation, and the influence of hypoxia on the regulation of these functions. Differences with respect to the embryonic origin and molecular equipment between somatic and splanchnic lymphatics are discussed with a side-view on the phylogeny of the LVS. The functions of the lymphatic vasculature are much broader than generally thought, and lymphatic research will have many interesting and surprising aspects to offer in the future.
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Affiliation(s)
- Jörg Wilting
- Department of Anatomy and Cell Biology, University Medical School Göttingen, Göttingen, Germany.
| | - Jürgen Becker
- Department of Anatomy and Cell Biology, University Medical School Göttingen, Göttingen, Germany
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Wasik A, Ratajczak-Wielgomas K, Badzinski A, Dziegiel P, Podhorska-Okolow M. The Role of Periostin in Angiogenesis and Lymphangiogenesis in Tumors. Cancers (Basel) 2022; 14:cancers14174225. [PMID: 36077762 PMCID: PMC9454705 DOI: 10.3390/cancers14174225] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Cancers are common diseases that affect people of all ages worldwide. For this reason, continuous attempts are being made to improve current therapeutic options. The formation of metastases significantly decreases patient survival. Therefore, understanding the mechanisms that are involved in this process seems to be crucial for effective cancer therapy. Cancer dissemination occurs mainly through blood and lymphatic vessels. As a result, many scientists have conducted a number of studies on the formation of new vessels. Many studies have shown that proangiogenic factors and the extracellular matrix protein, i.e., periostin, may be important in tumor angio- and lymphangiogenesis, thus contributing to metastasis formation and worsening of the prognosis. Abstract Periostin (POSTN) is a protein that is part of the extracellular matrix (ECM) and which significantly affects the control of intracellular signaling pathways (PI3K-AKT, FAK) through binding integrin receptors (αvβ3, αvβ5, α6β4). In addition, increased POSTN expression enhances the expression of VEGF family growth factors and promotes Erk phosphorylation. As a result, this glycoprotein controls the Erk/VEGF pathway. Therefore, it plays a crucial role in the formation of new blood and lymphatic vessels, which may be significant in the process of metastasis. Moreover, POSTN is involved in the proliferation, progression, migration and epithelial-mesenchymal transition (EMT) of tumor cells. Its increased expression has been detected in many cancers, including breast cancer, ovarian cancer, non-small cell lung carcinoma and glioblastoma. Many studies have shown that this protein may be an independent prognostic and predictive factor in many cancers, which may influence the choice of optimal therapy.
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Affiliation(s)
- Adrian Wasik
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland
| | - Katarzyna Ratajczak-Wielgomas
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland
- Correspondence:
| | - Arkadiusz Badzinski
- Silesian Nanomicroscopy Center, Silesia LabMed: Research and Implementation Center, Medical University of Silesia, 41-800 Zabrze, Poland
| | - Piotr Dziegiel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland
- Department of Human Biology, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland
| | - Marzenna Podhorska-Okolow
- Department of Human Biology, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland
- Department of Ultrastructural Research, Wroclaw Medical University, 50-368 Wroclaw, Poland
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Solorzano E, Alejo AL, Ball HC, Magoline J, Khalil Y, Kelly M, Safadi FF. Osteopathy in Complex Lymphatic Anomalies. Int J Mol Sci 2022; 23:ijms23158258. [PMID: 35897834 PMCID: PMC9332568 DOI: 10.3390/ijms23158258] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/07/2022] [Accepted: 07/16/2022] [Indexed: 11/16/2022] Open
Abstract
Complex Lymphatic Anomalies (CLA) are lymphatic malformations with idiopathic bone and soft tissue involvement. The extent of the abnormal lymphatic presentation and boney invasion varies between subtypes of CLA. The etiology of these diseases has proven to be extremely elusive due to their rarity and irregular progression. In this review, we compiled literature on each of the four primary CLA subtypes and discuss their clinical presentation, lymphatic invasion, osseous profile, and regulatory pathways associated with abnormal bone loss caused by the lymphatic invasion. We highlight key proliferation and differentiation pathways shared between lymphatics and bone and how these systems may interact with each other to stimulate lymphangiogenesis and cause bone loss.
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Affiliation(s)
- Ernesto Solorzano
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
| | - Andrew L. Alejo
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
| | - Hope C. Ball
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
| | - Joseph Magoline
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
| | - Yusuf Khalil
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
| | - Michael Kelly
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Department of Pediatric Hematology Oncology and Blood, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Fayez F. Safadi
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA; (E.S.); (A.L.A.); (H.C.B.); (J.M.); (Y.K.); (M.K.)
- Musculoskeletal Research Group, Northeast Ohio Medical University (NEOMED), Rootstown, OH 44272, USA
- Rebecca D. Considine Research Institute, Akron Children’s Hospital, Akron, OH 44308, USA
- School of Biomedical Sciences, Kent State University, Kent, OH 44243, USA
- Correspondence: ; Tel.: +1-330-325-6619
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Multimodal imaging of the dynamic brain tumor microenvironment during glioblastoma progression and in response to treatment. iScience 2022; 25:104570. [PMID: 35769877 PMCID: PMC9234718 DOI: 10.1016/j.isci.2022.104570] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 05/02/2022] [Accepted: 06/06/2022] [Indexed: 12/13/2022] Open
Abstract
Tumors evolve in a dynamic communication with their native tissue environment and recruited immune cells. The diverse components of the tumor microenvironment (TME) can critically regulate tumor progression and therapeutic response. In turn, anticancer treatments may alter the composition and functions of the TME. To investigate this continuous dialog in the context of primary brain cancers, we developed a multimodal longitudinal imaging strategy. We combined macroscopical magnetic resonance imaging with subcellular resolution two-photon intravital microscopy, and leveraged the power of single-cell analysis tools to gain insights into the ongoing interactions between different components of the TME and cancer cells. Our experiments revealed that the migratory behavior of tumor-associated macrophages is different in genetically distinct glioblastomas, and in response to macrophage-targeted therapy. These results underscore the importance of studying cancer longitudinally in an in vivo setting, to reveal complex and dynamic alterations in the TME during disease progression and therapeutic intervention.
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Geng X, Srinivasan RS. Molecular Mechanisms Driving Lymphedema and Other Lymphatic Anomalies. Cold Spring Harb Perspect Med 2022; 12:a041272. [PMID: 35817543 PMCID: PMC9341459 DOI: 10.1101/cshperspect.a041272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Lymphatic vasculature regulates fluid homeostasis by absorbing interstitial fluid and returning it to blood. Lymphatic vasculature is also critical for lipid absorption and inflammatory response. Lymphatic vasculature is composed of lymphatic capillaries, collecting lymphatic vessels, lymphatic valves, and lymphovenous valves. Defects in any of these structures could lead to lymphatic anomalies such as lymphedema, cystic lymphatic malformation, and Gorham-Stout disease. Basic research has led to a deeper understanding of the stepwise development of the lymphatic vasculature. VEGF-C and shear stress signaling pathways have evolved as critical regulators of lymphatic vascular development. Loss-of-function and gain-of-function mutations in genes that are involved in these signaling pathways are associated with lymphatic anomalies. Importantly, drugs that target these molecules are showing outstanding efficacy in treating certain lymphatic anomalies. In this article, we summarize these exciting developments and highlight the future challenges.
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Affiliation(s)
- Xin Geng
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma 73013, USA
| | - R Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma 73013, USA
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma 73117, USA
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Choi D, Park E, Yu RP, Cooper MN, Cho IT, Choi J, Yu J, Zhao L, Yum JEI, Yu JS, Nakashima B, Lee S, Seong YJ, Jiao W, Koh CJ, Baluk P, McDonald DM, Saraswathy S, Lee JY, Jeon NL, Zhang Z, Huang AS, Zhou B, Wong AK, Hong YK. Piezo1-Regulated Mechanotransduction Controls Flow-Activated Lymphatic Expansion. Circ Res 2022; 131:e2-e21. [PMID: 35701867 PMCID: PMC9308715 DOI: 10.1161/circresaha.121.320565] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND Mutations in PIEZO1 (Piezo type mechanosensitive ion channel component 1) cause human lymphatic malformations. We have previously uncovered an ORAI1 (ORAI calcium release-activated calcium modulator 1)-mediated mechanotransduction pathway that triggers lymphatic sprouting through Notch downregulation in response to fluid flow. However, the identity of its upstream mechanosensor remains unknown. This study aimed to identify and characterize the molecular sensor that translates the flow-mediated external signal to the Orai1-regulated lymphatic expansion. METHODS Various mutant mouse models, cellular, biochemical, and molecular biology tools, and a mouse tail lymphedema model were employed to elucidate the role of Piezo1 in flow-induced lymphatic growth and regeneration. RESULTS Piezo1 was found to be abundantly expressed in lymphatic endothelial cells. Piezo1 knockdown in cultured lymphatic endothelial cells inhibited the laminar flow-induced calcium influx and abrogated the flow-mediated regulation of the Orai1 downstream genes, such as KLF2 (Krüppel-like factor 2), DTX1 (Deltex E3 ubiquitin ligase 1), DTX3L (Deltex E3 ubiquitin ligase 3L,) and NOTCH1 (Notch receptor 1), which are involved in lymphatic sprouting. Conversely, stimulation of Piezo1 activated the Orai1-regulated mechanotransduction in the absence of fluid flow. Piezo1-mediated mechanotransduction was significantly blocked by Orai1 inhibition, establishing the epistatic relationship between Piezo1 and Orai1. Lymphatic-specific conditional Piezo1 knockout largely phenocopied sprouting defects shown in Orai1- or Klf2- knockout lymphatics during embryo development. Postnatal deletion of Piezo1 induced lymphatic regression in adults. Ectopic Dtx3L expression rescued the lymphatic defects caused by Piezo1 knockout, affirming that the Piezo1 promotes lymphatic sprouting through Notch downregulation. Consistently, transgenic Piezo1 expression or pharmacological Piezo1 activation enhanced lymphatic sprouting. Finally, we assessed a potential therapeutic value of Piezo1 activation in lymphatic regeneration and found that a Piezo1 agonist, Yoda1, effectively suppressed postsurgical lymphedema development. CONCLUSIONS Piezo1 is an upstream mechanosensor for the lymphatic mechanotransduction pathway and regulates lymphatic growth in response to external physical stimuli. Piezo1 activation presents a novel therapeutic opportunity for preventing postsurgical lymphedema. The Piezo1-regulated lymphangiogenesis mechanism offers a molecular basis for Piezo1-associated lymphatic malformation in humans.
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Affiliation(s)
- Dongwon Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Eunkyung Park
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Roy P. Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Michael N. Cooper
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Il-Taeg Cho
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Joshua Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - James Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Luping Zhao
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ji-Eun Irene Yum
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Jin Suh Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Brandon Nakashima
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Sunju Lee
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Young Jin Seong
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Wan Jiao
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Chester J. Koh
- Division of Pediatric Urology, Texas Children’s Hospital, Baylor College of Medicine, Houston, Texas, USA
| | - Peter Baluk
- Cardiovascular Research Institute, UCSF Helen Diller Family Comprehensive Cancer Center, and Department of Anatomy, University of California, San Francisco, San Francisco, California, USA
| | - Donald M. McDonald
- Cardiovascular Research Institute, UCSF Helen Diller Family Comprehensive Cancer Center, and Department of Anatomy, University of California, San Francisco, San Francisco, California, USA
| | - Sindhu Saraswathy
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Jong Y. Lee
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Noo Li Jeon
- Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul, Republic of Korea
| | - Zhenqian Zhang
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Alex S. Huang
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Bin Zhou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Alex K. Wong
- Division of Plastic Surgery, City of Hope National Medical Center, Duarte, California, USA
| | - Young-Kwon Hong
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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Liu J, Yu C. Lymphangiogenesis and Lymphatic Barrier Dysfunction in Renal Fibrosis. Int J Mol Sci 2022; 23:ijms23136970. [PMID: 35805972 PMCID: PMC9267103 DOI: 10.3390/ijms23136970] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/16/2022] Open
Abstract
As an integral part of the vascular system, the lymphatic vasculature is essential for tissue fluid homeostasis, nutritional lipid assimilation and immune regulation. The composition of the lymphatic vasculature includes fluid-absorbing initial lymphatic vessels (LVs), transporting collecting vessels and anti-regurgitation valves. Although, in recent decades, research has drastically enlightened our view of LVs, investigations of initial LVs, also known as lymphatic capillaries, have been stagnant due to technical limitations. In the kidney, the lymphatic vasculature mainly presents in the cortex, keeping the local balance of fluid, solutes and immune cells. The contribution of renal LVs to various forms of pathology, especially chronic kidney diseases, has been addressed in previous studies, however with diverging and inconclusive results. In this review, we discuss the most recent advances in the proliferation and permeability of lymphatic capillaries as well as their influencing factors. Novel technologies to visualize and measure LVs function are described. Then, we highlight the role of the lymphatic network in renal fibrosis and the crosstalk between kidney and other organs, such as gut and heart.
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